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Journal articles on the topic 'Malocclusion'
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Aggarwal, R., R. Ahluwalia, D. Verma, P. Kaur, and T. Chugh. "A Cross-sectional Observational Study to Assess Mastication Muscle Function by Using Surface Electromyography." CARDIOMETRY, no. 25 (February 14, 2023): 1319–25. http://dx.doi.org/10.18137/cardiometry.2022.25.13191325.
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Background- Patients with different malocclusions may show the different activities of masticatory muscle. Masticatory muscle with neuromuscular disorder can act as an aggravating factor for a malocclusion. Patients may adopt faulty masticatory positions in case of different malocclusion, which may cause interference during orthodontic treatment. It mainly depends on muscle function or expression while recording. Aim- The current study is to evaluate the muscles’ activity using surface electromyography in the masseter, temporalis, and buccinator muscles in different malocclusions at rest, and during chewing and clenching. Material and Methods- A Total of 39 patients were examined and they were divided into 3 groups based on Angle’s classification of malocclusion- Group 1- Class I malocclusion, Group 2 – Class II malocclusion, and Group 3- Class III malocclusion. Result- At rest position, Group-1 subjects showed higher muscle function in the masseter and temporalis muscle (Mean- 18.54 ± 5.22 and 13.42 ± 4.16 respectively). Whereas, Buccinator showed enhanced performance in Group 1 subjects during chewing (Mean52.31 ± 8.98). However, no gender-wise discrepancy in the muscles was found during any of the masticatory functions or malocclusions. Conclusion- Patients with Class I malocclusion showed higher masseter activity than patients with Class II and Class III malocclusions. No gender-wise discrepancy was found in the muscle function during any of the masticatory functions or malocclusions.
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Florián-Vargas, Karla, Marcos J. Carruitero Honores, Eduardo Bernabé, and Carlos Flores-Mir. "Self-esteem in adolescents with Angle Class I, II and III malocclusion in a Peruvian sample." Dental Press Journal of Orthodontics 21, no. 2 (April 2016): 59–64. http://dx.doi.org/10.1590/2177-6709.21.2.059-064.oar.
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ABSTRACT Objective: To compare self-esteem scores in 12 to 16-year-old adolescents with different Angle malocclusion types in a Peruvian sample. Material and Methods: A cross-sectional study was conducted in a sample of 276 adolescents (159, 52 and 65 with Angle Class I, II and III malocclusions, respectively) from Trujillo, Peru. Participants were asked to complete the Rosenberg Self-Esteem Scale (RSES) and were also clinically examined, so as to have Angle malocclusion classification determined. Analysis of covariance (ANCOVA) was used to compare RSES scores among adolescents with Class I, II and III malocclusions, with participants' demographic factors being controlled. Results: Mean RSES scores for adolescents with Class I, II and III malocclusions were 20.47 ± 3.96, 21.96 ± 3.27 and 21.26 ± 4.81, respectively. The ANCOVA test showed that adolescents with Class II malocclusion had a significantly higher RSES score than those with Class I malocclusion, but there were no differences between other malocclusion groups. Supplemental analysis suggested that only those with Class II, Division 2 malocclusion might have greater self-esteem when compared to adolescents with Class I malocclusion. Conclusion: This study shows that, in general, self-esteem did not vary according to adolescents' malocclusion in the sample studied. Surprisingly, only adolescents with Class II malocclusion, particularly Class II, Division 2, reported better self-esteem than those with Class I malocclusion. A more detailed analysis assessing the impact of anterior occlusal features should be conducted.
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Wulandari, Kartika, and Susi Susi. "THE ASSOCIATION BETWEEN SEVERITY OF MALOCCLUSSION WITH CARIES AMONG ADOLESCENTS STUDENTS OF SMKN 3 PARIAMAN." Andalas Dental Journal 4, no. 1 (June 14, 2016): 27–37. http://dx.doi.org/10.25077/adj.v4i1.46.
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Malocclussion is one of the most common case in oral health and taking of third position after dental caries and periodontal disease. Malocclusion is a deviation form from normal occlussion. Malocclussion may caused problems in oral function, psychosocial problems and oral health problem, one of them is caries. Many of malocclusion character associated with severity of caries. The aim of this study was to know the association between severity of malocclussion with caries among adolescents students in SMKN 3 Pariaman. This study use observasional analytics with cross sectional approach. Sample were adolescents (16-19 years old) in SMKN 3 Pariaman.The sample were 75 students consisting of 15 students in each of grade complexity of malocclusion. The severity of malocclusion were identification based ICON (Index of Complexity, Outcome and Need) and caries was assess use DMF-T Index. The data were analyzed by Kruskal Walis test and Mann-Whitney test. Mean DMF-T students of SMKN 3 Pariaman was 3,00±1,716 (medium category). DMF-T indeks of malocclusion Easy was 1,466±1,407 (low category), Mild is 1,933±1,222 (low category), Moderate was 3,133±1,125 (medium category), Difficult was 4,066±1, (medium category), and Very Difficult was 4,400±1,298 (medium category). Mean of DMF-T indeks increased with increasing ICON of malocclusion. Statistical test result obtained by the p-value (p<0,05). There were association between severity of malocclussion with caries among adolescents students in SMKN 3 Pariaman.
Key words : malocclussion, ICON, caries, DMF-T index
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Hoyer, Naomi K., and Jennifer E. Rawlinson. "Prevalence of Malocclusion of Deciduous Dentition in Dogs: An Evaluation of 297 Puppies." Journal of Veterinary Dentistry 36, no. 4 (December 2019): 251–56. http://dx.doi.org/10.1177/0898756420905136.
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A total of 297 dogs between 8 and 12 weeks of age were examined during a 1-year period to evaluate occlusion. Dogs were categorized either as individual dogs or members of a litter and purebred or mixed breed. Occlusion was evaluated by class: normal, class 1 malocclusion (MAL1), class 2 malocclusion (MAL2), or class 3 malocclusion (MAL3). Dogs with MAL3 were also subdivided based on whether MAL3 was considered a breed standard; dogs with breed standard MAL3 were considered under normal occlusion for statistical analyses. Malocclusions were further categorized as mild, moderate, or severe. Twenty-six percent (77/297) were identified as having a malocclusion. For single dogs, purebreds had a significantly higher percentage of malocclusions compared to the mixed breeds (33.8% and 20% respectively; P = .042). For dogs in litters, there were no purebreds with malocclusion, which was significantly less than the number of mixed breeds with malocclusions (0% and 23.5%, respectively; P = .0023). No significant difference in prevalence was noted between mixed breed and purebred dogs. Occlusal evaluation is important for all dogs to allow for early recognition of malocclusion and, if necessary, intervention in a timely manner.
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Alves e Luna, Ana Cláudia, Fabiana Godoy, and Valdenice Aparecida de Menezes. "Malocclusion and treatment need in children and adolescents with sickle cell disease." Angle Orthodontist 84, no. 3 (November 25, 2013): 467–72. http://dx.doi.org/10.2319/070913-503.1.
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ABSTRACT Objective: To assess the prevalence of malocclusion and treatment need in children and adolescents with sickle cell disease (SCD). Materials and Methods: In this cross-sectional study, the sample size comprised 35 five-year-old children and 36 adolescents of both sexes, aged between 12 to 18 years, with SCD. Dental occlusion was assessed using two indexes: the Malocclusion Index (World Health Organization) and the Dental Aesthetic Index (DAI). Results: The prevalence of malocclusion in the preschool children was 62.9%. The main malocclusions observed in this age group were Class II (37.1%), increased overjet (28.6%), reduced overbite (28.6%), and open bite (17.1%). In the 12- to 18-year-old subjects, the prevalence of malocclusion was 100%, and the most prevalent types of malocclusion were maxillary overjet (63.9%) and maxillary misalignment (58.3%). It is noteworthy that the majority of adolescents (80.6%) had very severe or disabling malocclusions. Conclusion: The results revealed a high prevalence of malocclusion in children and adolescents with SCD. According to DAI score, the majority of the sample presented with very severe malocclusion and a compulsory treatment need.
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Martins-Júnior, PA, LS Marques, and ML Ramos-Jorge ML. "Malocclusion: Social, Functional and Emotional Influence on Children." Journal of Clinical Pediatric Dentistry 37, no. 1 (September 1, 2012): 103–8. http://dx.doi.org/10.17796/jcpd.37.1.y75430328427210j.
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Objectives: To determine the association between types of malocclusion and quality of life in children between 8-10 years of age and establish correlations between the severity of the malocclusion and particular bio-psychosocial variables. Study design: The sample was made up of 102 schoolchildren aged 8-10 years. Clinical exams were performed using the criteria of the Dental Aesthetic Index (DAI) to determine the presence and severity of malocclusions. The impact on quality of life was assessed using the Child Perceptions Questionnaire (CPQ8-10). Statistical analysis involved the chi-square test, Fisher's exact test and Spearman's correlation analysis. Results: Malocclusions affected 61% of the children examined. There was a positive correlation between total CPQ8-10 and DAI scores (P = 0.034). The following types of malocclusion had a significant effect on the quality of life of the children: upper anterior irregularity ≥ 2 mm, anterior open bite ≥ 2mm and diastema ≥ 2mm. Children with malocclusion experienced a greater negative impact on quality of life in comparison to those without malocclusion. Conclusions: Malocclusions had a negative influence over the quality of life of children between 8-10 years of age. More severe malocclusions had a greater impact with regard to social, emotional and functional aspects.
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Rădulescu, Sergiu-Alexandru, and Ecaterina Ionescu. "Statistical study regarding the identification of premature occlusal contacts in patients with Angle class I and class II malocclusions." Romanian Journal of Stomatology 63, no. 2 (June 30, 2017): 80–84. http://dx.doi.org/10.37897/rjs.2017.2.5.
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Objective. In this study we tried to identify the premature occlusal contacts that are present in patients with Angle Class I and Class II malocclusions. Materials and method. For this study 60 patients with Angle Class I and Class II malocclusions were examined. Identification of premature occlusal contacts was made both clinically and with the help of study casts mounted in an adjustable articulator. Results and discussion. Based on the statistical analysis made in this study we noticed that for patients with Angle Class I malocclusion, premature occlusal contacts from protrusion on the working side are more common, they are present in 15 patients, than to those with Angle Class II malocclusion where they were identified in 13 patients. In right laterotrusive edge to edge position we noticed that there are premature occlusal contacts on the working side in 43.3% of patients with Angle Class I malocclusion, and 50% of patients with Angle Class II malocclusion. Conclusions. In protrusive and laterotrusive edge to edge position there are premature occlusal contacts both at Angle Class I malocclusion, and in Angle Class II malocclusion patients. For practical conclusions, it is necessary to carry out more studies on the identification of occlusal premature contacts, which may occur in people with malocclusion.
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Aliu, Nora, Albena Reshitaj, Sanije Gashi, and Blerim Kamberi. "Digital Analysis of Tooth Sizes Among Individuals with Classes I and II Malocclusions in the Kosovo Population - A Pilot Study." International Journal of Biomedicine 12, no. 3 (September 5, 2022): 433–37. http://dx.doi.org/10.21103/article12(3)_oa16.
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Background: This study aimed to evaluate the tooth size discrepancy in patients with different types of malocclusions and compare it with that in patients with normal occlusion, using the three-dimensional (3D) measurement program Maestro Studio. Methods and Results: Patients of both sexes who were aged between 13 and 16 years and who had never received orthodontic treatment were randomly selected. The participants’ mean age was 14.3±1.1 years; 62.0% of patients were girls. Fifty patients were divided into three groups. Group 1 included 16 patients with malocclusion Class I (controls), Group 2 included 19 patients with malocclusion Class II division 1 (II/1), and Group 3 included 15 patients with malocclusion Class II division 2 (II/2). The tooth measurements were made according to the Bolton analysis. Anterior ratio (AR) and overall ratio (OR) were calculated. There was no significant difference in the AR between the groups. However, we found a significant difference in the OR between the groups (P=0.0129). Patients with Class II/2 malocclusion had a significantly lower OR than patients with Class II/1 malocclusion (P=0.0155). However, there was no significant difference in the OR between Class 1 and Class II/1 or Class II/2 malocclusions. Conclusion: Individuals with different malocclusions show different tooth sizes.
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Teja, Prerna Hoogan, Ankita Uppal, Shruti Mittal, Aashee Verma, Gunjan Aneja, and Mahak Gagain. "Evaluation of vertical mandibular asymmetry in different malocclusions- A panoramic study." IP International Journal of Maxillofacial Imaging 9, no. 2 (July 15, 2023): 63–69. http://dx.doi.org/10.18231/j.ijmi.2023.013.
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The purpose of this study was to compare mandibular asymmetry in different malocclusions, including Angle's Class I malocclusion, Angle's Class II div 1 malocclusion, Angle's Class II div 2 malocclusion, Angle's Class II subdivision and Unilateral posterior cross bite.: A total number of 150 subjects with the age range of 18-24 yrs with no signs and symptoms were selected for the study (n=30). The condylar asymmetry index (CAI), ramal asymmetry Index (RAI) and Condylar and Ranal Asymmetry Index (CRAI) for each patient was measured using panoramic radiograph. The results were analyzes using Kappa test, Dahlberg’s formula and Tukey HSD Post Hoc test. : Group IV (Angle's Class II subdivision malocclusion) had the maximum Condylar Asymmetry Index (13.07 ±12.43mm) whereas Group II (Angle's Class II div 1 malocclusion) had the minimum Condylar Asymmetry Index (7.89 ±8.71mm). Group III (Angle's Class II div 2 malocclusion) had the maximum Ramus Asymmetry Index (3.84 ± 2.54%) whereas Group II (Angle's Class II div 1 malocclusion) had the minimum Ramus Asymmetry Index (2.82 ± 1.94%). Condylar and Ramus Asymmetry Index was seen in Group IV (Angle's Class II subdivision malocclusion) (3.61 ± 2.43 mm) whereas minimum condylar and ramus asymmetry index was seen in Group V (Unilateral posterior cross bite) (2.42 ± 2.08 mm). However, no statistically significant differences were found.: No statistically significant difference was found in vertical mandibular asymmetry indices when compared in different malocclusions. No gender related statistically significant difference was found in all groups.
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Girish, KS, Malthesh B. Savakkanavar, S. Sridhar, D. Dinesh, and GC Ramesh. "Association of Temporomandibular Joint Dysfunction, Condylar Position and Dental Malocclusions in Davangere Population." Journal of Contemporary Dental Practice 13, no. 4 (2012): 528–33. http://dx.doi.org/10.5005/jp-journals-10024-1180.
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ABSTRACT Aims: • To study the association between dental malocclusions and temporomandibular joint dysfunction. • To study the association between dental malocclusions and condylar position. • To study the association between temporomandibular (TM) joint dysfunction and condylar position. Methods The subjects were divided into four groups for dental malocclusions viz. class I malocclusion with or without TM dysfunction, class II division 1 malocclusion with or without TM dysfunction, class II division 2 malocclusion with or without TM dysfunction and class III malocclusion with or without TM dysfunction. Once the patient fulfilled the criteria, the presence or absence of signs of TM dysfunction were elicited from the patient. Results It shows the association between TM dysfunction signs and left and right condylar positions. It shows the association between TM dysfunction symptom and left and right condylar positions. It shows the association between dental malocclusions and TM dysfunction signs and symptom. It shows the association between dental malocclusions and left and right condylar positions. Conclusion There was an association between TM dysfunction signs and left and right condylar positions. But, there was no association between TM dysfunction symptoms and left and right condylar positions. There was an association between dental malocclusions and TM dysfunction signs. But there was no association between dental malocclusions and TM dysfunction symptoms. There was an association between dental malocclusions and left condylar position, but there was no association between dental malocclusion and right condylar position. Clinical significance This study indicates that malocclusions and factors of condylar position should be seen as merely cofactors in the sense of one piece of the mosaic in the multifactorial problem of TM dysfunction. TM dysfunction factors that showed significant effects to various malocclusions through this study . This study shows clinical significance of association of various types of dental malocclusions to different conylar positions and TM dysfunction signs and symptoms. Before treating orthodontic patients, one should evaluate and treat the TM disorders for better prognosis. How to cite this article Malthesh B Savakkanavar, Sridhar S, Dinesh D, Girish KS, Ramesh GC. Association of Temporomandibular Joint Dysfunction, Condylar Position and Dental Malocclusions in Davangere Population. J Contemp Dent Pract 2012;13(4):528-533.
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Othman, Rawand J., and Hiwa S. Khidir. "Differences in Dental Arch Dimensions in a Sample of Kurdish Population among Different Occlusal Categories." Polytechnic Journal 10, no. 1 (June 30, 2020): 51–55. http://dx.doi.org/10.25156/ptj.v10n1y2020.pp51-55.
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It is essential to know dental arch dimensions to provide accurate diagnosis and treatment planning to ensure the satisfactory outcome of orthodontic treatment. The aim of the present study was to measure and compare dental arch dimensions of a Kurdish sample in Erbil city with normal and different classes of malocclusion. Arch width and length were measured by an electronic digital caliper on a total of 150 orthodontic models of school students aged 16–20 years of different occlusal relationships (Class I normal occlusion, Class I, Class II division I, Class II Division II, and Class III malocclusions). The results showed that (1) girls have smaller arch parameters than boys; (2) Class II division II malocclusion showed a significantly smaller upper inter canine width, arch length, incisor molar distance, and incisor canine distance when compared to all other groups; (3) the upper inter premolar and inter molar width were significantly narrower in Class II division I malocclusion than of normal occlusions and Class III malocclusion and also narrower in Class I malocclusion than in normal occlusions for both arches; (4) the arch length was significantly longer in Class II division I when compared to Class II division II, Class I malocclusions (P < 0.01), Class III malocclusion and Class I normal occlusion (P < 0.05), and (5) no statistically significant differences were found in all the arch dimensions for Class III malocclusion when compared with the normal occlusion. In conclusion, girls had smaller arch dimension than boys and Class II Division II malocclusion showed smaller arch in all dimensions while Class II division I malocclusion revealed narrower arch width and longer arch length.
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Ibrahim, Hiba A., and Amal H. Abuaffan. "Prevalence of malocclusion and orthodontic treatment needs among down syndrome sudanese individuals." Brazilian Dental Science 18, no. 1 (March 26, 2015): 95. http://dx.doi.org/10.14295/bds.2015.v18i1.1076.
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<p><strong>Objective<em>:</em></strong> To determine the prevalence of malocclusion and orthodontic treatment needs in Sudanese’s Down syndrome individuals in Khartoum area. <strong>Material and Methods: </strong>A total of 75 (37 males and 38 females) Down syndrome individuals age ranging from 6-28 years of age, were clinically examined after obtaining their guardian’s consent. Malocclusion was determined based on Angle and Incisor classification of malocclusion. The data were analysed and presented in tables using the Statistic Package for social sciences (SPSS) program version17 descriptive statistic, Frequency distribution tables and graph were utilized to perform the results. <strong>Results: </strong>Angle Class III malocclusion (58.7%) and Incisor III malocclusion<strong> </strong>(53.3%) represents the most prevalent types of malocclusions. Angle class III malocclusion was more frequent among females (60.5%) than males (56.8%).The majority of individuals with Down syndrome are in great need for orthodontic treatment (85.3%). <strong>Conclusion: </strong>The prevalence of malocclusion and orthodontic treatment need among Sudanese Down syndrome individuals was high. Angle and Incisor class III malocclusions represent the commonest trait of malocclusion and reported more frequency in females than males.<strong> </strong>Orthodontic treatment for Down syndrome individual should be multidisciplinary in order to conservative superior treatment pattern.</p><p> </p><p><strong>Keywords:</strong> Down syndrome; Class III malocclusion; Orthodontic treatment.</p>
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Rajkumar, Balaji, Ratna Parameswaran, Mary Sanjana, Srinivasan Boovaraghavan, and Devaki Vijayalakshmi. "Evaluation of Pharyngeal Airway Volume Three-Dimensionally in Various Sagittal Skeletal Patterns - Systematic Review." Indian Journal of Dental Research 34, no. 2 (2023): 209–15. http://dx.doi.org/10.4103/ijdr.ijdr_338_22.
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To investigate the pharyngeal airway volume in different anteroposterior skeletal malocclusions. This study was prepared according to the Cochrane criteria for creating a systematic review and meta-analysis and confirms the preferred reporting items for systematic reviews and meta-analyses (PRISMA) statement. This search was conducted to answer the patient/population, intervention, comparison and outcomes (PICO) question: To evaluate (outcome) and compare (comparison) whether there is a difference in airway volume in patients (participants) with different skeletal malocclusions diagnosed using 3D data (intervention). The first two authors extracted the data from the included studies and assessed the risk of bias in the individual studies using the Newcastle-Ottawa scale. Meta-analysis was done using STATA version 16, which compared various three-dimensional pharyngeal airway parameters in skeletal Class II and skeletal Class III malocclusions with that of skeletal class I malocclusion. Out of 370 articles from the initial search, 17 articles were included in the systematic review. Out of 17 studies, 12 eligible studies were included in the quantitative synthesis. The nasopharynx, oropharynx, hypopharynx, and total airway volume were increased in skeletal Class I malocclusion compared to that of skeletal Class II malocclusion and decreased in comparison to skeletal Class III malocclusion. The moderate quality of evidence indicates the total airway volume, oropharynx, and hypopharynx are largest in skeletal Class III compared to Class I and Class II skeletal malocclusion.
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Ratya Utari, Tita, and Median Kurnia Putri. "Orthodontic Treatment Needs in Adolescents Aged 13-15 Years Using Orthodontic Treatment Needs Indicators." Journal of Indonesian Dental Association 2, no. 2 (October 31, 2019): 49. http://dx.doi.org/10.32793/jida.v2i2.402.
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Introduction: The prevalence of malocclusion in Indonesia is still very high, which is about 80% of the population and is one of the major dental and oral health problems. Based on the research result by the Health Research and Development Department, Ministry of Health Republic Indonesia, the highest malocclusion prevalence in children aged 12-15 years is 15.6%. Problems in adolescents aged 13-15 oral cavity, such as disruption of tooth eruption, can cause malocclusion, related function, aesthetics, and quality of life. Objective: To assess orthodontic treatment need in adolescents aged 13-15 years in Muhammadiyah 3 Junior High School of Yogyakarta using Orthodontic Treatment Needs Indicators, the description of malocclusion classification and their correlation. Method: This research is an analytical observational study with cross-sectional design. Samples are 100 students aged 13-15 years in Muhammadiyah 3 Junior High School of Yogyakarta. Each sample fills out an IKPO questionnaire to assess the need for orthodontic treatment needs, examination, and intraoral photographs were taken to determine the malocclusion classification. Results: The results showed 61% of subjects required orthodontic treatment, and 63% had Class I malocclusion, 28% had Class II malocclusion, and 9% had Class III malocclusions. There was a correlation between the questionnaire of orthodontic treatment needs on age with a significant value, 0.037 (p<0.05). Conclusion: More than 50% of adolescents aged 13-15 years at Muhammadiyah 3 Junior High School of Yogyakarta need orthodontic treatment with the highest malocclusions is Class I Angle malocclusion, and there is a correlation between age and orthodontic treatment needs.
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Carrijo, Fanny Cavalcante, Winicius Arildo Ferreira Araujo, Iorrana Morais de Oliveira, Crystina Alcântara Carvalho, Marcelo Costa Rodrigues, Maria Tereza de Oliveira e. Souza, Glauco Issamu Miyahara, and Grace Kelly Martins Carneiro. "Prevalence of sleep-disordered breathing related to malocclusion in children." Research, Society and Development 10, no. 16 (December 19, 2021): e598101623984. http://dx.doi.org/10.33448/rsd-v10i16.23984.
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Sleep-disordered breathing is characterized by airway dysfunction that can occur in any age, but most prevalent in children, caused by the occurrence of respiratory effort, snoring or even by apnea during sleep. Therefore, the aim of this study was to survey the prevalence of sleep disorders associated with malocclusion in children aged 3 to 12 years in Mineiros, State of Goiás, Brazil. Material and Methods: this is a field research with a sample of 99 children affected by some type of sleep-disordered breathing and malocclusions. Data were collected through a questionnaire about sleep-disordered breathing and a clinical record carried out through intraoral clinical examination. Results: among the 24 children with SDB, 17 had SDB and Malocclusion, which is 70.8% of the children had SDB associated with malocclusion. Of the 75 children without SDB, 11 (14.7%) had malocclusion. Conclusion: No significant differences were found between sleep-disordered breathing and sex-related malocclusions.
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Rahman, Md Muklesur, Hasnat Jahan, and Md Zakir Hossain. "Pattern of malocclusion in patients seeking orthodontic treatment at Dhaka Dental College and Hospital." Bangladesh Journal of Orthodontics and Dentofacial Orthopedics 3, no. 2 (July 4, 2015): 9–11. http://dx.doi.org/10.3329/bjodfo.v3i2.24005.
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Aims: To evaluate the pattern and distribution of malocclusion in patients seeking orthodontic treatment in Dhaka Dental College Hospital.Material and Methods: Total of 400 patients were included in the study with a mean age of 19.10 years. A standard format was prepared to record the data. Ages, sex and Class I, II and III malocclusions were tabulated to cheek for any relationship.Results: The prevalence of molar class I, II, III and both (I &II) malocclusion were 61.53%, 22.56%, 8.2%, and 7.17%, respectively. The prevalence of incisors class I, class II division 1,classII division 2 and class III malocclusions were 36.92%, 39.74%, 2.56% and 14.87%. out of 400 cases the distribution of various occlusal abnormality were spacing 40%, crowding 46.92%, cross bite 23.07%, open bite 8.46%, impaction 6.41%, rotation 20%, median diastema 13.58%, absent teeth 7.69%, mesiodense 2.51% and cleft lip and palate was 1.28%. Most prevalence age group seeking orthodontics treatment was 16 to 20 years with female to male ratio 2.45 :1.Conclusion: class I malocclusion was the most prevalent followed by class II malocclusion and class III malocclusion showed least prevalence.Ban J Orthod & Dentofac Orthop, April 2013; Vol-3, No.2
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Handoko, Handoko, and Nelvi Yohana. "Speech Production and Malocclusion: A Review." JURNAL ARBITRER 10, no. 1 (May 10, 2023): 107–15. http://dx.doi.org/10.25077/ar.10.1.107-115.2023.
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The article focuses on speech production in relation to malocclusion. It investigates how malocclusion could affect sound production and articulating clearly. The article also discusses how orthodontists could fix malocclusion and improve the sound production. Speech production is a complicated process involving several speech organs, including the mouth cavity. Malocclusion can have an adverse effect on pronunciation, especially on specific speech sounds. It can also cause compensatory articulation problems, which can affect pronunciation further. Certain speech sounds, such as /s/, /z/, /t/, /d/, /l/, /r/, / θ /, and /t/, can be affected by malocclusion. Different types and levels of malocclusions may have different effects on pronunciation. It is necessary to speak with an orthodontist to determine the most appropriate therapy for malocclusion. Proper diagnosis and treatment can assist in reducing the impact on pronunciation. Additionally, speech and language therapy may help in the development of speech. The article concludes with an overview of the available treatments for speech production, the potential impacts of malocclusion can be minimized.
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Ibrahim, Hiba A., and Amal H. Abuaffan. "Prevalence of Malocclusion and Orthodontic Treatment Needs in Down Syndrome Sudanese Individuals." Orthodontic Journal of Nepal 4, no. 2 (December 31, 2014): 32–36. http://dx.doi.org/10.3126/ojn.v4i2.13896.
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Objective: To determine prevalence of malocclusion and orthodontic treatment needs in Down syndrome individuals among Sudanese population in Khartoum area.Materials & Method: A total of 75 (37 males and 38 females) Down syndrome individuals age ranging from 6-28 years were clinically examined after obtaining their guardian’s consent, malocclusion was determined based on Angle and Incisor classification. Exclusion criteria were included individuals who had history of extraction and orthodontic treatment.Data was analysed by using SPSS Version 17, at an alpha level 0.05 and 95% confidence limits.Result: Angle Class III and Incisor III malocclusion represents the most prevalent type of malocclusions (58.7%) Angle classification, (53.3%) Incisors classification. Angle Class III malocclusion was more frequent among females (60.5%) than in males (56.8%). Themajority of individuals with Down syndrome are in need of orthodontic treatment (85.3%).Conclusion: The prevalence of malocclusion and orthodontic treatment need among Sudanese Down syndrome individuals was high. Angle and Incisor Class III malocclusion representing commonest trait of malocclusion with more frequency in femalesthan males.Key word: down syndrome, Class III malocclusion, orthodontic treatment
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Boiangiu, Ronen, Angelica Bencze, Elina Teodorescu, Stefan Milicescu Jr., Viorica Tarmure, Mariana Pacurar, and Ecaterina Ionescu. "Study Regarding the Applications of Imaging Technology in Cranial Base Morphology in Angle Class II Division 1 and 2 Malocclusions." Revista de Chimie 68, no. 8 (September 15, 2017): 1935–39. http://dx.doi.org/10.37358/rc.17.8.5795.
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The aim of the research is to investigate the characteristics of cranial base morphology in class II division 1 and class II division 2 malocclusions. The study group consisted of 40 patients aged 11 years treated at the Orthodontic Department of �Carol Davila� University. Both gender and both malocclusion types were equally represented. Lateral cephalograms were traced and 22 linear and angular cephalometric parameters were calculated: four parameters for the cranial base (N-S-Ba, N-Op-Ba angles, N-S, S-Ba lengths) and 18 parameters for the maxillofacial complex Nsa-Nsp, Go-Gn, Kdl-Go, S-Nsp, N-Nsa, Nsa-Gn, N-Gn, Nsp-Go, SNA angle, ANB angle, SN � NsaNsp angle, SN-GoGn angle, N-Nsa-Gn angle, S-Nsp-Go angle, N-Nsa-Pg angle, gonial angle, FMA angle, NsaNsp � GoGn. Statistical significant differences between cranial base parameters in the two malocclusions groups were depicted, in particular for feminine gender. Regardless of gender, the sphenoidal angle values were mainly increased in both malocclusion groups, when compared to normal population values. The S-Ba lengths were decreased in both malocclusion groups, regardless of gender. More significant alterations of cranial base morphology were depicted in patients with Class II Division 2 malocclusions then in patients with Class II Division 1 malocclusion. The study�s results sustain the existence of some cranial base alterations in Class II malocclusions.
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Erwansyah, Eka, Jihad Randika Basra, and Rika Damayanyi. "Factors affecting treatment decisions for Class I malocclusions." Makassar Dental Journal 9, no. 3 (November 28, 2020): 174–76. http://dx.doi.org/10.35856/mdj.v9i3.348.
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Background: Malocclusion is a worldwide dental problem that influences the affected individuals to varying degrees. Many factors contribute to the anomaly in dentition, including hereditary and environmental aspects. Dental caries, pulp and periapical lesions, dental trauma, abnormality of development, and oral habits are most common dental diseases in children that strongly relate to malocclusion. Objective: The objective of this article is to describe the factors affecting treatment decisions for class I malocclusions. Methods: Scientific evidence and clinical cases are taken from literatures to support the clear and detailed informations about treatment decisions for class I malocclusions. Conclusion: In the treatment of Class I malocclusion orthodontics, there are two main information, extraction and treatement without extraction. Consideration for tooth extraction is something that must be done carefully.
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Londono, Jimmy, Shohreh Ghasemi, Negar Moghaddasi, Homa Baninajarian, Amir Fahimipour, Sara Hashemi, Amirhossein Fathi, and Mahmood Dashti. "Prevalence of malocclusion in Turkish children and adolescents: A systematic review and meta‐analysis." Clinical and Experimental Dental Research 9, no. 4 (August 2023): 689–700. http://dx.doi.org/10.1002/cre2.771.
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AbstractObjectivesThe aim of this article is to establish a comprehensive nationwide prevalence of malocclusion traits on the sagittal, vertical, and transverse planes of space in the Turkish population.Material and MethodsA systematic search of PubMed, Scopus, and Web of Science was supplemented by manual searches of Google Scholar and the reference lists of included studies. Original Turkish health studies of any age were included. Strengthening the Reporting of Observational Studies in Epidemiology assessed study quality and bias (STROBE). Sagittal, vertical, and transverse malocclusion features were retrieved and gathered.ResultsEleven studies were selected from 434 titles. Two studies showed a high risk of bias, eight low and one moderate. Thirteen thousand two hundred seventy‐one individuals were investigated from early childhood to late adulthood. Most studies were sampled from universities and dental (nonorthodontic) clinics. The pooled malocclusion prevalence was 56% for Class I (95% confidence interval (CI): 44−68%), 31% for Class II (CI: 6–42%), and 11% for Class III (CI: 21–37%). The other common types of malocclusions were crowding (41%, CI: 18–65%), overjet (34%, CI: 21–50%), negative overjet (13%, CI: 7–20%), and crossbite (11%, CI: 7–15%). Additionally, there was no significant difference in Class I (relative risk [RR] = 1.00, [0.96–1.05]), Class II ([RR] = 0.97, [0.92–1.03]), and Class III ([RR] = 1.08, [0.96–1.225]) malocclusion by gender.ConclusionsThis study showed Class I malocclusion has a high prevalence among the Turkish population followed by Class II and Class III malocclusions. In addition, crowding and overjet were the most prevalent malocclusions among Turkish individuals. There were no significant differences in the prevalence of malocclusions between males and females.
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Mardany, Arkia, Alireza Naeimi Jafari, Alireza Khoshdel, Farzaneh Momeni, Nikan Mardany, and Abdolreza Jamilian. "Three-dimensional analysis of pharyngeal airway volume in Class I, II, and III malocclusion." Journal of Clinical and Translational Research 10, no. 1 (February 8, 2024): 00110. http://dx.doi.org/10.36922/jctr.23.00110.
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Aim: This study aimed to evaluate pharyngeal airway dimensions using cone-beam computed tomography (CBCT) in patients with Class I, II, and III malocclusions and normal growth patterns. Methods: All CBCT images were categorized into three groups: Class I (0° < ANB < 4°, −1 mm < Wits < 0 mm), Class II (ANB > 4°, Wits > 0 mm), and Class III (ANB < 0°, Wits < −1 mm). CBCT images were obtained from individuals with normal growth patterns (32 ± 5° = GN/GO – SN), where GN represents gonion, GN is gnathion, and SN equates to the sella-nasion distance. Measurements were taken for total pharyngeal volume, velopharyngeal volume, glossopharyngeal volume, and oropharyngeal volume, and the narrowest area of the airway was measured. ANOVA and Tukey’s post hoc test were used to compare the airway dimensions among skeletal classes I, II, and III. Results: The CBCT images were captured from 90 patients (45 males and 45 females) aged 17 to 39. The mean volume of the total pharyngeal airway, velopharyngeal, glossopharyngeal, and oropharyngeal and the most constricted area were significantly greater in patients with skeletal Class III malocclusion compared to patients with skeletal Class II malocclusion showing normal growth pattern. Total pharyngeal airway, velopharyngeal, and oropharyngeal volumes were lower in Class II patients compared to Class I and III patients with normal growth patterns. There was a significant difference in the pharyngeal space between males and females with Class II malocclusion. Pharyngeal space in female Class II malocclusion was higher than that in males. There was no difference regarding airway space between female and male patients with Class 1 malocclusion. Pharyngeal space between females and males with Class III malocclusion showed no difference. Conclusion: Class III pharyngeal volumes were generally larger in Class I and II malocclusions. Sex differences in the volumes of various pharyngeal spaces were only present in the case of Class II malocclusions. Relevance for Patients: Class II pharyngeal volumes were generally smaller in Class I and III malocclusions.
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Onyeaso, Chukwudi O., Ifeoma L. Utomi, and Titus S. Ibekwe. "Emotional Effects of Malocclusion in Nigerian Orthodontic Patients." Journal of Contemporary Dental Practice 6, no. 1 (2005): 64–73. http://dx.doi.org/10.5005/jcdp-6-1-64.
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Abstract Aim To assess the emotional effects of malocclusion among Nigerian orthodontic patients. Design A questionnaire survey. Subjects and Methods A questionnaire was completed by 221 Nigerian orthodontic patients undergoing routine orthodontic care at the Orthodontic Unit, Department of Preventive Dentistry, University College Hospital, Ibadan and the Department of Child Dental Health, Lagos University Teaching Hospital, Lagos, both in South-West Nigeria. The participants were comprised of 97 (43%) males and 124 (56.1%) females with age range of 6-40 years (mean age, 13.82 ± 8.01 SD). Data were analyzed using descriptive statistics and Chi-square test. Results About 44% of all participants had not yet accepted their malocclusions, while 56.6% of all subjects reported for orthodontic care due to aesthetic reasons. Twenty-seven percent of the subjects were depressed the first time they notice their malocclusions. Over 40% of the participants reported feeling less confident as a result of their malocclusions and about 55% of them felt their malocclusions negatively affected their general facial appearances. Normal activities restricted in some of the subjects due to malocclusion included laughing in public (48.9%), meeting people in public (32%), and forming close relationships (20.4%). The majority (64.7%) of the subjects discussed their malocclusions with their parents, followed by dentists (35.3%). Conclusion The psychosocial effects of malocclusion in Nigerian orthodontic patients were considerable with no significant gender differences. Considering such factors, professional counseling of Nigerian orthodontic patients is encouraged. Citation Onyeaso CO, Utomi IL, Ibekwe TS. Emotional Effects of Malocclusion in Nigerian Orthodontic Patients. J Contemp Dent Pract 2005 February;(6)1:064-073.
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Keskin, Arif, Aynur Emine Çiçekcibaşi, Gülay Açar, and Güldane Mağat. "Position of the mandibular foramen in relation to the occlusal plane in children with skeletal class malocclusion." European Journal of Anatomy 28, no. 2 (March 2024): 179–87. http://dx.doi.org/10.52083/uaci5716.
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Frequently, practitioners use the inferior alveolar nerve block in the procedures desired on the teeth in the mandible and the surrounding tissues. This study aimed to reveal the position of the mandibular foramen (MF) according to the malocclusion types on panoramic radiographs of children aged 9-18 years living with malocclusion in Turkey. Panoramic and cephalometric radiographs of 330 patients between 9 and 18 years old were analyzed retrospectively. We grouped the skeletal malocclusion types as Class 1, 2, and Class 3 based on lateral cephalometric radiographs and evaluated the location of MF in malocclusion types according to age and gender. We observed that the distances to the occlusal plane, posterior edge, and gonion point increased with age while the distance to the anterior edge decreased. There was a significant difference according to age and gender in all malocclusion types (p<0.05). We determined that the MF was positioned upward parallel to the increase in age and approached the midpoint of the ramus of the mandible from the posterior. The fact that MF is placed higher than the occlusal plane in Class 3 malocclusions compared to other types and differs by gender will guide clinicians in providing effective and safe inferior alveolar nerve block in pediatric malocclusions.
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Majeed, Omair, Tabassum Ahsan Qadeer, Maria Habib, and Ayesha Ashraf. "Mandibular Asymmetry in Orthodontic Patients with Different Malocclusion Patterns an Orthopantomographic Evaluation." Journal of Bahria University Medical and Dental College 13, no. 04 (October 2, 2023): 291–95. http://dx.doi.org/10.51985/jbumdc202162.
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Objectives: To investigate the variation in mandibular asymmetry on right and left sides for different malocclusions. Study design and setting: It was a cross sectional study carried out in Orthodontic Department at Bahria University Dental College. OPG’s of 171 orthodontic patients were collected. The sample was divided into class I, II and III malocclusions. Methodology: The OPG was traced for condylar and ramal heights for both right and left sides. From these readings, the asymmetry index (AI) was calculated for each side. The significance of height variations between the right and left sides, for each malocclusion was calculated using independent sample t-test. Pearson correlation was used to find the association of asymmetry between the two sides when comparing each malocclusion with the other. One-way ANOVA was used to find the significance of differences in asymmetry index of both sides between different malocclusions. Results: The ramal heights were significantly different for each malocclusion with p values of 0.00 and 0.02 for right and left side, the p value of the variations in condylar heights was however 0.66 and 0.12 for the two sides. There was a strong positive correlation of the condylar and ramal height on both sides between all three malocclusions. The p value for condylar AI was 0.97 and 0.15 for ramal AI. Conclusion: The ramus height showed a significant variation in asymmetry while the asymmetry index variations were insignificant between different malocclusion groups.
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Kamboj, Ashish, SS Chopra, Nishant Sinha, Pritam Mohanty, Chandan Misra, and Atul Bali. "Orthosurgical management of an adult patient with severe Class-II malocclusion: A case report." IP Indian Journal of Orthodontics and Dentofacial Research 8, no. 1 (March 15, 2022): 54–59. http://dx.doi.org/10.18231/j.ijodr.2022.010.
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Class II malocclusion cases are of interest to orthodontist since they constitute a significant percentage of cases they treat. However, they are one of the most challenging malocclusions to diagnose and treat.There lies a significant difference in prevalence of Class II malocclusion among various populations. Prevalence of Class II malocclusion in India varies from 1.9% in Rajasthan to 8.37% in South India.Class II malocclusions have dental or skeletal or combination entities. Success in the management of skeletal Class II cases especially in the adult cases relies on proper diagnosis and treatment planning. The treatment of severe dentofacial deformities in adult patients is a challenging task for both the orthodontist and the maxillofacial surgeon. In adults with severe discrepancy, combined orthosurgical approach is the ideal way to achieve acceptable results. This case report presents an adult male patient with severe Class II malocclusion in which mandibular advancement was carried out with BSSO. Post-treatment results showed improved facial esthetics and Class- I relationship of the skeletal jaw bases with optimal dental occlusion.
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Abazi, Miranda, Zlatko Georgiev, Saranda Sadiku, Mirand Heta, and Arben Abazi. "Palatal Rugae Pattern in Adolescents of Southeastern Kosovo with Class I, II, III Malocclusions According to Angle’s Classification." International Journal of Biomedicine 14, no. 1 (March 1, 2024): 141–47. http://dx.doi.org/10.21103/article14(1)_oa22.
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Background: Palatal rugae, or plicae palatinae, are uniquely designed structures, well-formed, asymmetric, irregular mucosal folds suited in the anterior part of the hard palate. Palatoscopy, or the analysis of the palatal rugae pattern, is a simple, low-cost, non-invasive, innovative, and highly sensitive technique that can be successfully used in stomatology. This study aimed to analyze the palatal rugae pattern among an adolescent sample of the Albanian population in Kosovo, to determine the most prevalent palatal rugae pattern in both genders in association with Class I, II, and III malocclusions according to Angle’s classification. Materials and Methods: In this cross-sectional study, a total of 100 adolescents (50 males and 50 females) aged from 12 to 18 were randomly selected from schools in southeastern Kosovo. All subjects were divided into classes of malocclusion according to Angle’s classification (Class I, Class II, and Class III). The rugae patterns were classified based on shape, unification, and length according to the Thomas and Kotze classification. In the present study, the palatal rugae pattern in Class I, II and III malocclusions show no significant difference between female and male subjects. In Class I malocclusion, the straight pattern was dominant in female subjects, and the wavy pattern was dominant in male subjects. The straight pattern was dominant in males and females with Class II malocclusion. In Class III malocclusion, the wavy pattern was dominant in female subjects, and the curved pattern was dominant in male subjects. The study showed that male subjects were at slightly higher risk for having Class I malocclusion and slightly lower risk for having Class II and Class III malocclusions than female subjects. Conclusion: This study provides essential information regarding the dominant palatal rugae pattern among Albanian adolescents of southeastern Kosovo with Class I, II, and III malocclusions according to Angle’s classification.
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Baral, Prakash. "Prevalence of Malocclusion in Western Nepal." Orthodontic Journal of Nepal 5, no. 2 (December 1, 2015): 6–8. http://dx.doi.org/10.3126/ojn.v5i2.15215.
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Introduction: Malocclusion is the improper relationship of maxillary and mandibular teeth. The prevalence of malocclusion varies in different populations of the world.Objective: To study the prevalence of malocclusion in western part of Nepal and to evaluate the gender variation in occurrence of malocclusion.Materials & Method: A total of 1284 subjects were studied. Out of them 656 were male and 628 were female. Intra-oral examination was carried out to assess occlusal types of Class I, II, III according to Angle’s classification of malocclusion, and various occlusal characteristics like crowding, spacing, cross-bite, open-bite and deep bite were recorded. Gender variation in malocclusion characteristics were tested using chi-square test (p<0.05).Result: The present study showed that Class I occlusion type with malocclusion was more prevalent than Class II and Class III malocclusions. Class I was seen in 71.5% , Class II div 1 in 20.7%, Class II div 2 in 3.9% cases and Class III in 4.1% cases. Among the occlusal characteristics; crowding (61.3%), deep bite (29.5%) and spacing (10.5%) were most prevalent.Conclusion: Class I malocclusion was most prevalent type of malocclusion in western Nepalese subjects. There was no significant gender dimorphism between male and female in prevalence of various malocclusion characteristics.
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Alhammadi, Maged Sultan, Esam Halboub, Mona Salah Fayed, Amr Labib, and Chrestina El-Saaidi. "Global distribution of malocclusion traits: A systematic review." Dental Press Journal of Orthodontics 23, no. 6 (December 2018): 40.e1–40.e10. http://dx.doi.org/10.1590/2177-6709.23.6.40.e1-10.onl.
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Abstract Objective: Considering that the available studies on prevalence of malocclusions are local or national-based, this study aimed to pool data to determine the distribution of malocclusion traits worldwide in mixed and permanent dentitions. Methods: An electronic search was conducted using PubMed, Embase and Google Scholar search engines, to retrieve data on malocclusion prevalence for both mixed and permanent dentitions, up to December 2016. Results: Out of 2,977 retrieved studies, 53 were included. In permanent dentition, the global distributions of Class I, Class II, and Class III malocclusion were 74.7% [31 - 97%], 19.56% [2 - 63%] and 5.93% [1 - 20%], respectively. In mixed dentition, the distributions of these malocclusions were 73% [40 - 96%], 23% [2 - 58%] and 4% [0.7 - 13%]. Regarding vertical malocclusions, the observed deep overbite and open bite were 21.98% and 4.93%, respectively. Posterior crossbite affected 9.39% of the sample. Africans showed the highest prevalence of Class I and open bite in permanent dentition (89% and 8%, respectively), and in mixed dentition (93% and 10%, respectively), while Caucasians showed the highest prevalence of Class II in permanent dentition (23%) and mixed dentition (26%). Class III malocclusion in mixed dentition was highly prevalent among Mongoloids. Conclusion: Worldwide, in mixed and permanent dentitions, Angle Class I malocclusion is more prevalent than Class II, specifically among Africans; the least prevalent was Class III, although higher among Mongoloids in mixed dentition. In vertical dimension, open bite was highest among Mongoloids in mixed dentition. Posterior crossbite was more prevalent in permanent dentition in Europe.
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Gupta, Sanjay Prasad, Samarika Dahal, Khushboo Goel, Amar Bhochhibhoya, and Shristi Rauniyar. "Association between Hypodontia and Angle’s Malocclusions among Orthodontic Patients in Kathmandu, Nepal." International Journal of Dentistry 2022 (December 5, 2022): 1–5. http://dx.doi.org/10.1155/2022/9595920.
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Background. Disturbances during the early tooth development stages may result in the congenital absence of teeth. The purpose of this study was to assess the relationship between hypodontia and Angle’s malocclusions. Materials and Methods. The sample comprised 601 orthodontic patients’ pretreatment records (242 men and 259 women), selected from the achieved orthodontic records. Developmental anomalies of teeth affecting the number were examined on dental panoramic radiographs. Based on Angle’s classification, pretreatment dental casts were assessed and classified into different classes of malocclusion. The relationship between hypodontia and different classes of malocclusion was evaluated using the chi-square test. Results. The prevalence of tooth agenesis was 7.48%, that is, 45 out of 601 samples. There were a total of 72 (0.42%) missing teeth, excluding the third molars. The most frequent missing tooth was the maxillary lateral incisor (35, 48.61%), followed by the mandibular lateral incisor (14, 19.44%), the mandibular central incisor (6, 8.33%), the mandibular second premolar (5, 6.294%), and the maxillary second premolar (4, 5.55%). Hypodontia was more common in the upper jaw. Although hypodontia was mostly seen in Class I malocclusion patients (7.87%), followed by Class II malocclusion patients (6.99%) and least in Class III malocclusion patients. However, there was no significant difference in hypodontia among different classes of malocclusions (p = 0.352). Conclusion. The most frequently missing tooth was the maxillary lateral incisor, followed by lateral and central mandibular incisors and mandibular second premolars, while excluding the third molars. The present study did not find any association between various types of malocclusions and hypodontia.
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Rădulescu, Sergiu-Alexandru, Andreea Paula Rădulescu, Florina Trîmbiţaş, and Ecaterina Ionescu. "Study of occlusion in patients with Angle Class I and Class II malocclusions." Romanian Journal of Stomatology 61, no. 2 (June 30, 2015): 161–66. http://dx.doi.org/10.37897/rjs.2015.2.9.
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Objective. In this study we tried to notice the differences in the number and type of occlusal contacts present in patients with Angle Class I and Class-II malocclusions. Materials and methods. For this study were examined 30 patients with Angle Class I and Class-II malocclusions. Identification of the number and type of occlusal contacts was made both clinically and with the help of study casts mounted in an semiadjustable articulator. Results and discussion. In the Angle Class I malocclusion average total number of occlusal contacts was 36.93 and in Angle Class-II malocclusion was 31.46 contacts. Most occlusal contacts identified were side cusp – side fossa type. Following statistical analysis we did not fi nd significant differences between the two classes of malocclusions, in terms of total number of occlusal contacts. Conclusions. The total number of occlusal contacts does not differ depending on the malocclusion class, but there are differences between the number of contacts occurring within certain groups of posterior teeth. In order to have findings with practical application it is necessary to carry out more studies on the type and number of occlusal contacts that may occur in individuals with malocclusions.
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Tang, Endarra L. K. "The Prevalence of Malocclusion Amongst Hong Kong Male Dental Students." British Journal of Orthodontics 21, no. 1 (February 1994): 57–63. http://dx.doi.org/10.1179/bjo.21.1.57.
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The prevalence of malocclusion and treatment need amongst young Chinese adults has not previously been documented in Hong Kong. One-hundred-and-eight Chinese male first year dental students were assessed using the Occlusal Index. It was found that 41·7 per cent of the 108 needed orthodontic treatment and 24·1 per cent needed comprehensive orthodontic treatment to correct major malocclusions. The most commonly occurring feature was crowding (38·9 per cent), followed by Class II malocclusion (21·3 per cent,) and Class III malocclusion (14·8 per cent).
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Acharya, Anand, Bhushan Bhattarai, Diana George, and Tarakant Bhagat. "Pattern of Malocclusion in Orthodontic Patients in South-Eastern Region of Nepal." Orthodontic Journal of Nepal 7, no. 1 (June 30, 2017): 7–10. http://dx.doi.org/10.3126/ojn.v7i1.18893.
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Introduction: Occlusal traits in orthodontic patients have been studied in different parts of Nepal. However, very few data are available on malocclusion in south-eastern region of Nepal.Objective: To assess the pattern of malocclusion occurring in orthodontic patients in south-eastern region of Nepal, and to estimate the age of presentation of Class II malocclusion among the patients.Materials & Method: Data were collected from 150 pre-treatment study models and lateral cephalograms from two orthodontic specialty clinics in Biratnagar. Angle’s classification system was used to determine dental malocclusion and ANB angle was used to determine skeletal malocclusion. Chi square test was used to test the association between dental and skeleton malocclusions.Result: Angle’s Class I malocclusion was found in 95(63.33%), Class II Div 1 in 41(27.33%), Class II Div 2 in 13(8.66%) and Class III in 1(0.66%). Among all subjects; 119 (79.33%) had skeletal Class I, 24(16%) had skeletal Class II and 7(4.66%) had skeletal Class III. There was significant association between dental and skeletal malocclusions. The average age for reporting Class II Div 1 malocclusion was 16.5 years and Class II Div 2 malocclusion was 19 years.Conclusion: Angle’s Class I is the most common malocclusion followed by Class II and Class III among orthodontic patients in south-eastern Nepal. The subjects lack awareness on age factor for orthodontic treatment.
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SHABBIR, S., H. PERVEZ, A. WASAN, R. TARIQ, RA KHAN, and F. JAHANGIR. "ANALYSIS BETWEEN THE THICKNESS OF ALVEOLAR BONE AND POSITION OF INCISOR IN CLASS I AND II MALOCCLUSIONS THROUGH LATERAL CEPHALOGRAMS." Biological and Clinical Sciences Research Journal 2024, no. 1 (February 29, 2024): 720. http://dx.doi.org/10.54112/bcsrj.v2024i1.720.
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To assess the inclination of incisors and thickness of alveolar bone in malocclusions of Class I and Class II. A comparative study was conducted on 114 individuals in which incisor inclinations and their relationships with the alveolar bone were assessed by using lateral cephalograms. In the study individuals with Class I malocclusion, with a mean age of 18.6 years were recruited along with the individuals of Class II malocclusions with a mean age of 18.27 years. Almost, 114 lateral cephalograms were taken from the individuals. Out of them, 51 had class II malocclusion and 63 had class I malocclusion. The overall mandibular alveolar thickness showed no statistically significant difference between class I and class II malocclusion (P=.086), while there was a slight but statistically significant variation in the maxillary alveolar thickness (P=0.029). There was no significant distinction in the maxillary incisor inclination between the two groups (P=.603), whereas the root apex location lower labial was considerably more posterior (P <.001). However, it was discovered that Class II malocclusion patients had a substantially higher mandibular incisor inclination (P=.004). In the study, the position of the mandibular incisor root apex varied significantly across classes I and II. The mandibular incisor root apex was therefore more posteriorly positioned in class II relative to the alveolar center.
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Al Taki, Amjad, Mohammed H. Ahmed, Hussain A. Ghani, and Fatma Al Kaddah. "Impact of different malocclusion types on the vertical mandibular asymmetry in young adult sample." European Journal of Dentistry 09, no. 03 (July 2015): 373–77. http://dx.doi.org/10.4103/1305-7456.163233.
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ABSTRACT Objective: The aim of this study was to investigate the vertical mandibular asymmetry in a group of adult patients with different types of malocclusions, based on Angle's dental classification. Materials and Methods: A sample of 102 patients (age range 19–28) who went for routine orthodontic treatment in the institution were divided into four groups: Class I, 26 patients; Class II/1, 30 patients; Class III, 23 patients; and control group (CG) with normal occlusion, 23 patients. Condylar asymmetry index (CAI), ramal asymmetry index (RAI), condylar-plus-ramal asymmetry index values were measured for all patients on panoramic radiographs. Data were analyzed using Kruskal–Wallis and Mann–Whitney U-test at the 95% confidence level (P < 0.05). Results: The results of the analysis showed that different occlusal types significantly affected the vertical symmetry of the mandible at the condylar level. Class I and Class II/1 malocclusion groups showed a significant difference in CAI values relative to the CG (P < 0.05, P < 0.001). No statistically significant difference was found between the CG and Class III malocclusion group (P > 0.05). Comparisons between Class II/1 and Class I malocclusions revealed a significant difference in CAI values (P < 0.01). Conclusions: Both Class II/1 and Class I malocclusions patients had significantly higher CAI values compared to CG and Class III group. CAI value was significantly higher in Class II/1 malocclusion compared to Class I malocclusion. Both these malocclusions could act as a predisposing factor for having asymmetric condyles if left untreated.
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Shrestha, Rabindra Man, Bikash Lamichhane, Anuj Kumar Sharma, and Sujita Shrestha. "Dental Aesthetic Index among Nepalese Orthodontic Patients." Orthodontic Journal of Nepal 5, no. 2 (December 1, 2015): 9–13. http://dx.doi.org/10.3126/ojn.v5i2.15217.
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Introduction: Orthodontic indices are used for the assessment of malocclusion, its severity level, and treatment need. Dental Aesthetic Index (DAI) is a simple, valid and reliable index commonly used for epidemiological survey and initial screening of the orthodontic patients.Objective: To evaluate the frequency and severity of malocclusion and orthodontic treatment need among Nepalese patients using DAI and to compare the treatment need between gender groups.Materials & Method: 150 pairs of maxillary and mandibular pre-treatment orthodontic study models of 59 male and 91 female patients with permanent dentition were randomly selected from the Department of Orthodontics, Kantipur Dental College. Ten occlusal traits of DAI were assessed on each pair of study models using graduated periodontal probe and metallic scale by a single examiner. Cumulative DAI scores were calculated according to standard DAI method to differentiate the severity of malocclusion and orthodontic treatment need.Result: About 60% of the sample presented severe or very severe (handicapping) malocclusions indicating highly desirable or mandatory treatment need. 21.3% had definite malocclusion that required elective treatment need, 19.3% had normal occlusion with no or slight treatment need. There was no statistically different mean DAI scores between male and female samples (p=0.116)Conclusion: Most of the samples were in great need of orthodontic treatment with very severe malocclusions. Male samples had greater percentage of ‘very severe’ malocclusion than female. Malocclusion was characterized with high frequency of anterior incisal irregularity, maxillary overjet, midline diastema. DAI can be used as a screening tool rather than the decision making tool.
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Habar, Eddy Heriyanto, Eka Erwansyah, and Khaerunnisa Bakri. "Mouth breathing habit as an etiological factor of malocclusion: literature review." Makassar Dental Journal 10, no. 3 (December 13, 2021): 256–59. http://dx.doi.org/10.35856/mdj.v10i3.460.
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Mouth breathing is one of the bad habits in the oral cavity that deviates from the normal state. The main cause of mouth breathing habit is the presence of upper respiratory tract obstruction, such as adenoid hypertrophy and allergic rhinitis. In this article, dis-cussed about the mouth breathing habit as an etiologic factor for malocclusion. By reviewing the literature, information is col-lected in accordance with the topic of the study and then synthetic. From 8 scientific articles, it is known that mouth breathing habit is an etiological factor for malocclusion, with the most common malocclusions being Class 2 malocclusion, anterior open bite, maxillary anterior teeth protrusion, and posterior crossbite. It is concluded that mouth breathing habit is one of the etiolo-gical factors for malocclusion.
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Kaur, Sukhpal, Amandeep Kainth, Amritpal Kaur, Manbir Kainth, Sankalp Bansal, Riponjot Singh, and Ramandeep Kaur. "Modalities used to gain space in dental arch." Journal of Dental Panacea 6, no. 1 (April 15, 2024): 14–19. http://dx.doi.org/10.18231/j.jdp.2024.005.
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Most of orthodontic patients seek treatment to improve their facial and dental esthetics which is compromised due to variety of malocclusions. Malocclusion can be caused by skeletal or dental factors. Dental malocclusion includes crowding, spacing, increased overjet, and overbite, rotations of teeth etc. Correction of some malocclusions like crowding and increased overjet needs space in the dental arch. There are various methods for creating space in the dental arch such as proximal stripping, distalization of molars, extractions, expansion of arch, and proclination of anterior teeth, and derotation of posterior teeth. In this article, we will briefly discuss about these methods.
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Sharma, Anupama, Merry Goyal, Sanjay Mittal, Isha Aggarwal, and Pallavi Vishavkarma. "Maxillary transverse discrepancy: Latest innovations in diagnosis and treatment planning." Journal of Dental Panacea 6, no. 2 (June 15, 2024): 63–72. http://dx.doi.org/10.18231/j.jdp.2024.015.
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Transverse length related malocclusions are common in orthodontic clinics. They can be as simple as posterior crossbite or as severe as Class III malocclusion, where the jaw is asymmetrical. Cases of lateral malocclusion range from simple alveolar problems to complex problems such as bone asymmetries that occur after adolescence and lead to temporomandibular joint disorder (TMD). This is a review article to discuss types of transverse malocclusions and most latest innovations in diagnosis and treatment planning. Many methods of diagnosis and correcting maxillary transverse discrepancies have been discussed. Orthodontists should know about the drawbacks of each method.
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Rashed, Roozbeh, and Farzin Heravi. "Lip - tooth relationships during smiling and speech: an evaluation of different malocclusion types." Australasian Orthodontic Journal 26, no. 2 (November 1, 2010): 160–64. http://dx.doi.org/10.2478/aoj-2010-0025.
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Abstract Background Few studies have focused on the impact of malocclusion on lip – tooth relationships during smiling and speech. Aim To evaluate the impact of different malocclusions on lip – tooth relationships during smiling and speech, using video images. Methods One hundred and three subjects with Class I (N = 31), Class II division 1 (N = 26), Class II division 2 (N = 16) and Class III malocclusions (N = 30) were asked to repeat the same sentence and then smile in front of a video camera. Nine frames were extracted from each subject’s video clip: at rest, posed smile, unposed smile and during the pronunciation of the sounds: ‘che’, ‘fa’, ‘se’, ‘chee’, ‘tee’ and ‘mee’. On each frame, up to 10 parameters describing the lip – tooth relationships were measured. Results In all frames, there were no statistically significant differences in the upper central incisor display ratios among the malocclusion groups (p > 0.05). The buccal corridor ratio in the posed and unposed smiles did not differ significantly among the malocclusions (p > 0.05). The most frequently visible last maxillary tooth was the first premolar in the posed smile, and the second premolar in the unposed smile. In each malocclusion group, the upper central incisor display ratio varied significantly among the nine frames and the buccal corridor ratio during the unposed smile was less than the ratio during the posed smile; although this was only significant in the Class II division 2 subjects. The smile arc was similar in all malocclusions. Conclusions In each malocclusion the upper central incisor display ratio varied significantly among the nine frames. In each group, the buccal corridor ratio during the unposed smile was less than that during the posed smile, but only the Class II division 2 group was significantly different. The smile arc did not differ among the malocclusions.
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Chandrika, P. Sindhu, Ramya Alla, Yesuratnam Duddu, Kumar Adarsh, Praveen K. Varma, and Prasad Mandava. "Evaluation of Glenoid Fossa Position in Class II Malocclusion Associated with Mandibular Retrusion and Class III Malocclusion Associated with Mandibular Protrusion." Journal of Pharmacy and Bioallied Sciences 16, Suppl 1 (February 2024): S349—S352. http://dx.doi.org/10.4103/jpbs.jpbs_564_23.
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ABSTRACT Objective: This study examined the glenoid fossa in Class II and Class III malocclusions with mandibular retrusion and protrusion. Materials and Methods: A retrospective investigation examined 60 Class II and 60 Class III cephalometric radiographs. Cephalometric landmarks and glenoid fossa measurements were taken. Statistical analysis contrasted the two malocclusion groups’ glenoid fossas. Results: Class II malocclusion had a much lower mean Sella–Nasion–Condylion (SNCd) angle (glenoid fossa sagittal position) than Class III (14.6° ± 1.9). Class II malocclusion had a lower mean Sella–Nasion–Gonion (SNGo) angle (32.5° ± 4.3) than Class III (36.2° ± 3.9). The SNCd angle and SNGo angle in both groups demonstrated a negative correlation, demonstrating a relationship between the glenoid fossa and the mandibular sagittal axis. Conclusion: The glenoid fossa location differs significantly between Class II malocclusion with mandibular retrusion and Class III with protrusion. Class II malocclusion has a posterior glenoid fossa, while Class III has a less posterior one. Understanding these links may help patients receive more personalized treatment.
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Ahangar-Atashi, Mohammad H., Fatemeh Dabaghi-Tabriz, Sina Ahangar-Atashi, and Mahdi Rahbar. "Prevalence of Dental Malocclusions in Patients admitted to the Department of Orthodontics, School of Dentistry, Tabriz, in 2016." Journal of Contemporary Dental Practice 18, no. 11 (2017): 1034–39. http://dx.doi.org/10.5005/jp-journals-10024-2171.
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ABSTRACT Aim This study is aimed at investigating the prevalence of disorders among patients referred to Tabriz Dental School in 2016. Materials and methods This research was conducted in a cross-section method and taken from all patients admitted during this period. Classification of dental occlusion in patients was based on Angle's definition, skeletal classification was based on Steiner's analysis, and overjet and overbite values and other patient-related information were imported from the records in the extractive sector and in specific forms. After reviewing the data, the forms of individual patients were inputted into the computer and analyzed. Results In terms of dental condition, the prevalence of malocclusion CL.I, malocclusion CL.II, and malocclusion CL.III was respectively, 50, 36.8, and 13.2%. In terms of overjet condition, 13.9% of patients had normal overjet, 67.1% had increased overjet, 8.9% had reduced overjet, and 10.1% had reversed overjet. In terms of overbite, 17.7% of patients had normal overbite, 53.2% had increased overbite, 8.9% had decreased overbite, 15.2% had open bite, and 5.1% had deep bite. Skeletally, 24.1% of patients had skeletal abnormalities CL.I, 62% had skeletal deformities CL.II, and 13.9% had skeletal CL.III. Conclusion The most common dental malocclusion among patients was related to CL.I and the most common skeletal malocclusion was related to CL.II, and malocclusions of CL.III had the least prevalence both dentally and skeletally. There was no significant relationship between dental and skeletal malocclusions and also between different malocclusions and gender. Clinical significance Knowledge of the prevalence of different types of dental and jaw anomalies is considered as the first step in the evaluation and treatment of these disorders. It is worth mentioning that the results of the study can be used in treatment planning required in the province and even in the country. How to cite this article Ahangar-Atashi MH, Dabaghi-Tabriz F, Ahangar-Atashi S, Rahbar M. Prevalence of Dental Malocclusions in Patients admitted to the Department of Orthodontics, School of Dentistry, Tabriz, in 2016. J Contemp Dent Pract 2017;18(11):1034-1039.
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Ramakrishnan, Balasubramanian, Sanjana Thiagarajan, Koduri Manoghna, Uma Revathi Gopalakrishnan, and Vidhya Selvaraj. "Assessment of Palatal Rugae Characteristics in Different Malocclusions- A Scoping Review." International Journal of Orthodontic Rehabilitation 14, no. 2 (June 5, 2023): 17–30. http://dx.doi.org/10.56501/intjorthodrehabil.v14i2.611.
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BACKGROUND Early diagnosis of malocclusion and intercepting the malocclusion at an earlier stage is inevitable in orthodontics. The morphological characteristics of palatal rugae are set up at an early age and are stable in their position and pattern throughout the life of an individual, hence they are used as a reference landmark for superimposition and evaluate the extent of tooth movement in orthodontics. This review aims to analyze the orthodontic literature regarding the association of palatal rugae pattern with different malocclusion. MATERIALS AND METHODS To analyse the literature regarding the association of palatal rugae pattern with different malocclusion by using the keywords palatal rugae or plica palatine transversae or rugoscopy and malocclusion or sagittal malocclusion or class I or class II or class III or skeletal pattern and stability and orthodontics or orthodontia. The pubmed, Google scholar, Embase databases were searched till June 2022. RESULTS Wavy and Curved type of rugae was more common rugae pattern in all group of malocclusions. Many studies found there is no statistically significant difference in palatal rugae among malocclusion. However, few studies showing that largest number of rugae is present in class II malocclusion than class I and class III. CONCLUSION This review provides evidence of a distinct pattern of Palatal rugae in Class I and Class III malocclusion and largest number in Class II but to ascertain its statistical significance, further research is needed with a larger sample size.
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Selvaraj, Rajasekar, G. K. Singh, Pradeep Tandon, Amit Nagar, Gyan P. Singh, and Naveen Munusamy. "THREE-DIMENSIONAL EVALUATION AND COMPARISON OF CONDYLE-FOSSA RELATIONSHIP, THEIR POSITION AND SYMMETRY USING CBCT IN VARIOUS SAGITTAL SKELETAL MALOCCLUSIONS." International Journal of Advanced Research 11, no. 04 (April 30, 2023): 1169–86. http://dx.doi.org/10.21474/ijar01/16776.
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Introduction: Three-dimensional evaluation and comparison of condyle-fossa relationship, their position and symmetry using CBCT in various sagittal skeletal malocclusions. Aims and Objectives: To evaluate and compare the size and morphology of right and left fossa and condyle, condyle-fossa relationship, position and symmetry in various malocclusions. Materials and Methods: Sixty eight subjects with a mean age of 18.2±3.5 years, were divided into three sagittal Skeletal malocclusion (Class I,Class II. Class III) groups. 15 Linear and 2 Angular variables were evaluated from the CBCT images obtained from Carestream CS 9300C 3D system. The digitization and measurements were carried out using Trophy Dicom CS 3D software. Statistical Analysis: Independent t test and Karl Pearsons coefficient of correlation. Results: On comparison between the Right and Left sides, Angle Md.Co.Pro-MS Plane in Group I (p=0.007**)and C.Co-MS Planein Group II (p=0.047*)was significant. On Comparison of Concentric positioning of condyles, the mean differences in Group II on the Right side (p =0.039 *) and on the Left side (p =0.004**) were significant. Conclusion: In Skeletal Class I malocclusion, width and height of condyle was increased on the left side. Anterior joint space was decreased significantly in Skeletal Class II malocclusion. Superior joint space was significantly decreased and width of mandibular fossa was increased on both the sides in Skeletal Class III malocclusion. The condyles were anteriorly placed in all skeletal malocclusions but greatest difference was present in Class II.
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Bhambri, Eenal, Manish Sharma, Seema Gupta, Deepak V. Gowda, Shivam Agrawal, and Chetan V. Deshmukh. "Lip Prints as an Early Indicator of Different Malocclusions." Indian Journal of Forensic Medicine and Pathology 16, no. 3 (September 15, 2023): 185–90. http://dx.doi.org/10.21088/ijfmp.0974.3383.16323.3.
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ntroduction: The goal of the current investigation was to see if there was any correlation between skeletal malocclusions and lip print patterns. Settings and Design: Hospital based, prospective, observational, cross-sectional study. Meterials and Methods: The study was conducted on 120 subjects, divided into 3 groups Skeletal Class I, Class II, and Class III based on ANB angle, Beta angle, and Wits. For the assessment of lip print patterns, they were classifi ed according to the Tsuchihashi classification system. Statistical analysis: The chi-square test was used to study diff erences in the groups. Results: It was noted that the most prevalent lip pattern was Type I while; the least was the Type V pattern. A Type III lip pattern was absent. There was a signifi cant correlation between Type I lip pattern and Skeletal Class III malocclusion. Also, there were signifi cant gender diff erences in lip print patterns in skeletal class I malocclusion with no diff erences in skeletal class II and class III malocclusion. Conclusion: Lip prints can be a useful aid in predicting the type of skeletal malocclusion as they develop early in life, therefore, can be successfully used for preventative and interceptive orthodontic procedures. Hence, lip prints can be used as early detectors of skeletal malocclusions. Key Messages: Since the craniofacial skeleton and lips print both develop at the same embryonic stage, developmental variables that result in malocclusions may also be refl ected in the lip print patterns.
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Bernabé, Eduardo, Aubrey Sheiham, and Cesar Messias de Oliveira. "Condition-Specific Impacts on Quality of Life Attributed to Malocclusion by Adolescents with Normal Occlusion and Class I, II and III Malocclusion." Angle Orthodontist 78, no. 6 (November 1, 2008): 977–82. http://dx.doi.org/10.2319/091707-444.1.
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Abstract Objective: To compare the prevalence, intensity, and extent of condition-specific oral impacts on quality of life attributed to malocclusion by Brazilian adolescents with normal occlusion and those with Angle Class I, II, and III malocclusion. Materials and Methods: Four groups of 55 adolescents were configured such that each group represented normal occlusion, as well as Angle Class I, II, and III malocclusion. No radiographs were taken. Adolescents aged 15 to 16 years were selected from those attending all secondary schools in Bauru (Sao Paulo, Brazil). The Oral Impacts on Daily Performances index was used to collect data on condition-specific impacts (CSIs) attributed to malocclusion. The prevalence, as well as the intensity and extent, of CSIs was compared among the four groups with the use of Chi-square and Kruskal-Wallis tests, respectively. Results: Groups were comparable according to sex, age, and socioeconomic status. The prevalence of CSI was significantly different between groups (P = .039). Class II and III malocclusion groups reported a higher prevalence of CSI than those with normal occlusion and Class I malocclusion. However, the intensity and extent of CSI were not significantly different between groups. Conclusions: The prevalence, but not the intensity and extent, of CSIs attributed to malocclusion differed among groups with different malocclusions. The present findings support the concept that malocclusion has physical, psychological, and social effects on quality of life.
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Sharma, Kuldeep, Ruchi Sharma, Dhruv Yadav, Abhilasha Choudhary, and Swapnil Singh. "A Study to determine the Prevalence of Malocclusion and Chief Motivational Factor for Desire of Orthodontic Treatment in Jaipur City, India." World Journal of Dentistry 6, no. 2 (2015): 87–92. http://dx.doi.org/10.5005/jp-journals-10015-1320.
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ABSTRACT Background Prevalence of malocclusion varies in different parts of a diverse country like India. Aims To determine the prevalence of malocclusion in population of Jaipur city, Rajasthan, India, as well as subjects views regarding the most important factor for seeking orthodontic treatment by patients who have malocclusion. Materials and methods The sample consisted of 700 subjects (373 males and 327 females) with age group of 15 to 30 years. Subjects were randomly selected and none of them had received orthodontic treatment previously. The subjects who showed bilateral Angle's class I molar relationship with acceptable overjet, overbite and well-aligned arches or minimal crowding were considered to have normal occlusion. The subjects with malocclusion were classified into four groups according to Angle's classification, i.e. class I, class II division 1, class II division 2 and class III malocclusions. Results About 74.57% of population was found to have malocclusion. Among these subjects, 52.57% subjects were diagnosed with class I malocclusion, 12.57% with class II division 1 malocclusion, 8% with class II division 2 and remaining 1.42% had class III malocclusion. No statistically significant differences were found between male and female subjects. Conclusion Among class I malocclusion characteristics, Angle's class I type 1 malocclusion was statistically significantly found to be the most prevalent type of malocclusion. As far as the most important factor for seeking orthodontic treatment was determined, a desire of enhancing facial appearance followed by a desire of attaining straight teeth was considered to be the chief motivational factor among this population. How to cite this article Sharma R, Sharma K, Yadav D, Choudhary A, Singh S. A Study to determine the Prevalence of Malocclusion and Chief Motivational Factor for Desire of Orthodontic Treatment in Jaipur City, India. World J Dent 2015; 6(2):87-92.
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Pant, Bashu Dev, Anjana Rajbhandari, Resina Pradhan, and Manju Bajracharya. "Relationship between skeletal malocclusion and dental anomalies in Nepalese population." Orthodontic Journal of Nepal 9, no. 1 (September 20, 2019): 15–18. http://dx.doi.org/10.3126/ojn.v9i1.25684.
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Introduction: Teeth eruption is important for the development of alveolar process which increases vertical height of the face and third molar is the last tooth to erupt in the oral cavity after birth. The aim of this study was to determine relationship between skeletal malocclusion and dental anomalies in Nepalese population.
Materials & Method: A sample of 170 patients with agenesis of at least one third molar was divided into four groups according to the third-molar agenesis pattern. Panoramic radiographs, lateral cephalograph and cast models were used to determine the skeletal malocclusion and associated dental anomalies. The Pearson chi-square test was used for stastical analysis.
Result: Among 170 patients more than half of the patients were female with the average age being 18.15 ± 3.64 years. Majority of the patients had Class I skeletal malocclusion followed by Class II and III but on group wise comparison of patients with different skeletal patterns Class I skeletal malocclusion had highest prevalence of dental anomalies followed by Class III and Class II malocclusion.
Conclusion: Prevalence of third-molar agenesis was more in skeletal class I malocclusion followed by class II and III but skeletal Class I malocclusions had more dental anomalies followed by class III and class II malocclusion.
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Kamboj, Ashish, SS Chopra, Amrit Thapa, Gagandeep Kochar, Pritam Mohanty, and Nishant Sinha. "Orthosurgical management of deckbiss malocclusion (Class-II Div 2) in adult patients: A case series." IP Indian Journal of Orthodontics and Dentofacial Research 8, no. 2 (May 15, 2022): 132–40. http://dx.doi.org/10.18231/j.ijodr.2022.023.
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Class II malocclusion cases are of interest to orthodontists since they constitute a significant chunk of cases they treat. Still, they're one of the most grueling malocclusions to diagnose and treat.There lies a significant difference in the frequency of Class II malocclusion among various populations. The frequency of Class II malocclusion in India varies from 1.9% in Rajasthan to 8.37% in South India. Class II division 2 (Deckbiss) malocclusion is characterized by mandibular incisors positioned posterior to the cingulum of retroclined maxillary incisors. It usually presents with reduced overjet and increased overbite.The treatment approach of Class II division 2 malocclusion is different for different age groups. In growing cases, growth modulation with myofunctional appliances is recommended but in adult cases, orthodontic camouflage or orthognathic surgery is the recommended treatment modality. When orthodontic treatment alone is ineffective or when facial aesthetics is grossly undermined, orthognathic surgery is the choice of treatmentIn the present case series, two adult cases of severe Class II division 2 (Deckbiss) malocclusion were treated orthosurgically with BSSO. This case series demonstrates that treatment of Class II division 2 (Deckbiss) malocclusion in adult patients is a challenging task and a combined orthodontic-surgical approach can be used to obtain optimum aesthetics & functional efficiency.
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Akturk, Ezgi Sunal, Fatma Nur Yavuz, Humeyra Unsal, and Elif Dilara Seker. "Impact of Angle malocclusions on oral health related quality of life in adolescents." Australasian Orthodontic Journal 39, no. 2 (July 1, 2023): 194–99. http://dx.doi.org/10.2478/aoj-2023-0038.
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Abstract Objectives To investigate the impact of Angle Class I, Class II, and Class III malocclusions on oral health-related quality of life (OHRQOL) in children aged 11 to 14 years. Methods The Turkish version of the Child Perception Questionnaire 11-14 (CPQ11-14) was administered to 83 individuals with a Class I malocclusion, 111 individuals with a Class II Division 1 malocclusion, and 63 individuals with a Class III malocclusion. The CPQ11-14 was used to evaluate the OHRQOL of children aged between 11 and 14 years. The questionnaire consisted of 37 questions which evaluated oral symptoms, functional limitations, emotional well-being, and social well-being. Results No statistically significant difference was observed between the groups in relation to the individual’s CPQ11-14 total scores and subscale scores for oral symptoms, functional limitations, and emotional well-being (p > 0.05), except for the social wellbeing subscale. Patients with a Class III malocclusion had significantly higher social well-being scores compared to individuals with a Class I malocclusion. Conclusions A Class III malocclusion may negatively impact on the social well-being of adolescents. Early diagnosis of a Class III malocclusion and the application of early orthopaedic treatment may prevent the negative impact on a child’s social well-being.