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Academic literature on the topic 'Orthopantomogramme'
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Journal articles on the topic "Orthopantomogramme"
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Douilly, G., M. A. Fauroux, and J. H. Torres. "Radio-opacités sur un orthopantomogramme." Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale 114, no. 6 (2013): e17-e18. http://dx.doi.org/10.1016/j.revsto.2013.06.006.
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Faryal, Asma, and Attiya Shaikh. "RELIABILITY OF ORTHOPANTOMOGRAM IN COMPARISON TO LATERAL CEPHALOGRAM FOR LINEAR MANDIBULAR MEASUREMENTS." Journal of Ayub Medical College Abbottabad 34, no. 4(SUPPL 1) (2022): 957–63. http://dx.doi.org/10.55519/jamc-04-s4-10338.
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Background: Mandibular asymmetries are commonly seen as asymmetric traits among orthodontic and orthognathic patients which require bilateral mandibular assessment for diagnosis and treatment. An orthopantomogram can be used to measure and compare right and left sides of mandible. The objective of this study was to investigate the reliability of left and right sides of orthopantomogram for determining the linear mandibular measurements and to check whether these values are identical with the values of linear mandibular measurements determined from lateral cephalogram. Methods: Orthopantomogram and lateral cephalogram were taken from 118 patients of age group 12–35 years from Orthodontic department, Liaquat College of Medicine & Dentistry and Darul Sehat Hospital, Karachi, Pakistan. Linear mandibular measurements were detected and compared between orthopantomograms and lateral cephalograms. Right and the left sides of orthopantomograms were compared for all of the linear mandibular parameters by using paired t-test. Independent sample t-test was performed for the comparison between orthopantomogram and lateral cephalogram using SPSS version 26.0. Results: Statistically significant differences were observed when orthopantomograms were compared with lateral cephalograms for mandibular body length (p=0.000) and total mandibular length (p=0.000). No statistically significant difference was found between orthopantomograms and lateral cephalograms for ramus height (p=0.226, p=0.177). Neither any significant difference was observed between right and left sides of an orthopantomogram. Conclusion: An orthopantomogram can be used to evaluate vertical mandibular measurements as reliably as a lateral cephalogram. However, it is required for clinicians to be vigilant when determining horizontal mandibular measurements from orthopantomograms as they are unpredictable.
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Fattah, Assit prof Dr Ahlam A. "Utilization of Orthopantomograms in Dental Radiology." Mustansiria Dental Journal 4, no. 1 (2018): 30–32. http://dx.doi.org/10.32828/mdj.v4i1.579.
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Orthopantomogram is a radiographic technique that improves the possibility of early detection of dental anomalies.This study was representing a base line diagnostic information which obtained from each patient utilizes orthopantomogram in x-ray clinic at hospital of Surgeries Specialization (ALshaheed Addnan previously).Data was collected from randomly chosen 696 dentate patients who were radiographed for different reasons. The age range was between 5-45years.Results revealed that, the main reason for taking orthopantomograms was to investigate different orthodontic problems (41.4%), then impacted teeth (25%), facial fractures due to trauma (13.7%), mixed dentition development (11.5%), and finally periodontal diseases (8.3%). High percentage of patients was in range of age group between (5-15) (51.1%).This study focuses on the importance of using orthopantomograms as a most indispensable method on achieving complete diagnostic information.
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Pandey, Nashib, Sujaya Gupta, Ankit Shah, Anju Khapung, and Bhageshwar Dhami. "Sub Sinus Ridge Height at First Molar Region- A Panoramic Radiograph Based Study." Journal of Nepal Health Research Council 18, no. 2 (2020): 243–47. http://dx.doi.org/10.33314/jnhrc.v18i2.2675.
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Background: Among various replacement options available for maxillary molars, implants necessitate the need to examine available ridge height and width. Panoramic radiographs (orthopantomograms) are routinely used for preliminary determination of ridge height which is helpful in communicating with patients regarding treatment needs and options. This study was designed with the aim to assess the sub sinus ridge height at dentulous and edentulous first molar sites.Methods: A cross-sectional study was conducted from March to November 2019 among patients visiting the dental college. The orthopantomograms of 455 patients were prospectively collected and analysed using Carestream imaging software (version 7.0.0). Distance from alveolar crest to maxillary sinus was measured in first molar region. Results: Mean minimal sub sinus ridge height at non-missing maxillary first molar site was 8.16 ± 2.6 mm, whereas for missing maxillary first molar site it was 5.25 ± 2.28 mm and the difference was statistically significant (p<0.001). Statistically significant difference among the age groups and minimum subsinus ridge height (p<0.001) was observed. Conclusions: Missing maxillary first molar sites may often require vertical bone augmentation with direct sinus lifting procedures if it has to undergo replacement with dental implants in the representative Nepalese population.Keywords: Implant; Nepalese; orthopantomogram; panoramic radiography; sinus augmentation
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Ayub, Iqra, Maryam Rehman, Maria Nawaz, Maria Jabbar, Hira Butt, and Fahmina Jamil. "Inter-Rater Reliability to the Assessment of Ramus Relationship of Mandibular Impacted Third Molar Among Denitsts: An Orthopantomographic Study." Pakistan Journal of Medical and Health Sciences 17, no. 1 (2023): 394–96. http://dx.doi.org/10.53350/pjmhs2023171394.
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Objective: To find the inter-rater reliability to the assessment of ramus relationship of mandibular impacted third molar among denitsts. Methodology: A cross sectional comparative study was conducted in College of Dentistry, Sharif Medical and Dental College, Lahore after obtaining ethical clearance from ethical committee of Sharif Medical Research Centre (SMRC) in which dentists from three different specialties namely; Oral Pathology, Endodontics and Prosthodontics were included as raters. The study was conducted from December 2020 to February 2021. A total of 21 Orthopantomograms were assigned to each rater for assessing the ramus relationship of impacted third molar. The classification for angle of impaction used was Winter`s classification. The raters were provided with the OPGs and a proforma for recording their observations. Results: The level of agreement regarding the ramus relationship of impacted third molars observed on the Orthopantomograms between rater 1 and rater 2 was fair (κ=0.366 ,p=0.022). The agreement was also fair between rater 1 and rater 3 (κ=0.300, p=0.094). Conclusion: There was a fair agreement in assessment of ramus relation of the impacted mandibular molars of rater 1 with rater 2 and 3 where majority of the class 2 and class 3 relations were rated similarly by both the raters as Keywords: Inter-rater reliability, Cohen Kappa, Impacted third molar, Orthopantomogram, Ramus relationship
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Isakova, O., and V. Makeev. "Assessment of the dynamics of x-ray morphometric indices of the jaws in children with variable bite." SUCHASNA STOMATOLOHIYA 106, no. 2 (2021): 68–74. http://dx.doi.org/10.33295/1992-576x-2021-2-68.
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Purpose: to determine the peculiarities of the dynamics of the roentgenomorphometric indices of the jaws in children during the period of mixed bite. Materials and methods. The study assessed the dynamics of radiological indices (mental index (MI), gonial index (GI), upper and lower panoramic mandibular indices (PMI-S and PMI-i)). The study used orthopantomograms of 107 children (65 boys and 42 girls) aged 6–13 years from Lvov and Lviv region. All children were divided into age groups with the preservation of a proportional and harmonious distribution, both by sex and by age. Results. After evaluating the results of the study, the age periods of active restructuring of the bone structure of the child's jaws were identified. A characteristic feature of variations in index indicators is different age phases of active changes for boys and girls. The only common period for both sexes is the age of 9–10 years, when there is an increase in almost all index indicators, which coincides with the beginning of the eruption of multi-rooted teeth. Conclusions. Evaluation of index indicators using orthopantomograms in children during the period of mixed bite is an important diagnostic criterion for detecting active morphometric changes in the bone structures of the maxillofacial region, as well as an auxiliary diagnostic criterion when planning the timing of dental or orthodontic intervention. Key words: orthopantomogram, radiological indices, mental index, gonial index, upper and lower panoramic mandibular indices.
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Shrestha, Vikash Veer, Ansu Piya, Anju Khapung, and Prakash Bhattarai. "Comparison of Accuracy of Gonial Angle of Orthopantomogram and Lateral Cephalogram for Mandibular Measurements among Orthodontic Patients Attending Tertiary Care Dental Hospital in Kathmandu." Orthodontic Journal of Nepal 10, no. 3 (2020): 57–61. http://dx.doi.org/10.3126/ojn.v10i3.35497.
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Introduction: Gonial angle is an important parameter of the craniofacial complex which is generally used to evaluate the vertical parameters and symmetry of the facial skeleton. Gonial angle can be measured in both orthopantomogram (OPG) and lateral cephalograms. Due to the superimpositions seen while measuring the bilateral strucuture on lateral cephalograms, reliable measurement of the gonial angle becomes difficult. This study is done to clarify the possible application of orthopantomogram (OPG) for evaluating angular measurement of the mandible specifically gonial angle by comparing with lateral cephalogram.
 Materials and Method: All the patients (104) being treated from January 2018 to August 2020 in department of Orthodontics in Nepal Medical College were included in the study. Gonial angle measurements were made on lateral cephalograms and orthopantomograms of 104 patients – 54 males and 50 females with mean age of 22.20 ± 3.25 years. Patients aged 15-35 years were included in the study. Data was processed in SPSS version 16.0.
 Result: Mean Gonial angle in lateral cephalogram was greater than mean gonial angle in OPG and this difference was found to be statistically significant (p-value < 0.05). The difference in mean gonial angle was found to be statistically significant when compared between right gonial angle in OPG and gonial angle in lateral cephalogram (p-value < 0.05) and also between left gonial angle in OPG and gonial angle in lateral cephalogram (p-value < 0.05).
 Conclusion: When gonial angle values obtained from both sides of OPG were compared, no statistically significant difference was found. Significant differences were found when gonial angle values obtained from OPG right and left sides were compared with that of lateral cephalogram.
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Kaur, Ravdeep, Rajan Kumar Singla, Ravikant Sharma, and Sanju Singla. "Localization of mandibular foramen – a comparison between dry bones and orthopantomogram." Journal of Medicine and Life 15, no. 5 (2022): 669–74. http://dx.doi.org/10.25122/jml-2022-0007.
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An inferior alveolar nerve block is a usual practice by a dental practitioner. Panoramic radiography is a widely used technique in dentistry to get a clear and comprehensive view before planning any treatment. The study aimed to compare the morphometric localization of mandibular foramen (MF) on dry bones and orthopantomogram. The study was designed in two phases: a morphometric study on dry human mandibles (phase I) and orthopantomograms of the same dry human mandibles (phase II). The study materials were 200 dry north Indian human mandibles belonging to unknown sex obtained from the Department of Anatomy. Descriptive statistics, including range, mean±standard deviation, paired t-test to compare dry bones and orthopantomogram, Pearson's correlation coefficient, and measurement error, were used. T-test was applied separately to compare the right and left sides of dry bones. The distance of mandibular foramen from the posterior border and lower border is shorter on the right side than on the left. Its distance from the anterior border and the mandibular notch was greater on the right side. On panoramic radiographs, the distance of MF from nearby anatomical landmarks on the mandible was highly unreliable except for the mandibular notch. Our findings demonstrate a statistically significant difference between distances on dry bone and OPG but no statistically significant difference between MF-notch on both sides and MF-AB on the right side. As a result, a surgeon can rely upon a mandibular notch to locate mandibular foramen during clinical procedures. Magnification is an inbuilt property of OPG; for precise localization of MF, it is advisable to proceed with advanced three-dimensional techniques to protect viable anatomical structures.
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Kadhom, Zainab M. "Radiological age estimation using third molars mineralization in a sample attending orthodontic clinics (A retrospective study)." Journal of Baghdad College of Dentistry 32, no. 1 (2020): 57–64. http://dx.doi.org/10.26477/jbcd.v32i1.2759.
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Background: The evaluation of the chronological age is a practical method in crime investigation field that assists in identifying individuals to treat them as underage or adult. This study aimed to assess the stages of third molars mineralization in relation to chronological age of Iraqi individuals, determine the gender differences and arches (maxillary/mandibular) differences.
 Materials and Methods: A total of 300 orthopantomograms of orthodontic patients were collected according to specific criteria and evaluated visually. The developmental stages of maxillary and mandibular third molars were determined according to Demirjian method. The chronological age was recorded according to the particular mineralization stages at which it reached considering genders, sides and jaws. Comparisons were done using paired sample and independent sample t-tests.
 Results: Results showed that there was no statistically significant difference (P>0.05) between maxillary and mandibular third molars. The maxillary third molars reached earlier than mandibular one in stages F and G. There was no significant difference between the mean ages of males and females at each given developmental stage in the maxillary and mandibular third molars except for the stage D in the maxilla and stages D and E in the mandible. The development of third molar teeth on the right and left sides was similar except for the maxillary arch in males when there was a significant difference in stage C and D and stage E in the mandibular arch.
 Conclusion: The Demirjian method is an excellent approach for age assessment using Orthopantomogram. All of the differences between the current study and other studies could be because of the difference in the populations who were chosen from different geographical areas.
 Keywords: Age estimation, Demirjian method, third molar, Orthopantomogram, chronological age.
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Khanal, Sanskriti, Jemish Acharya, and Priyanka Shah. "Dental Age Estimation by Demirjian’s and Nolla’s Method in Children of Jorpati, Kathmandu." Journal of College of Medical Sciences-Nepal 14, no. 3 (2018): 137–41. http://dx.doi.org/10.3126/jcmsn.v14i3.20733.
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Background: Growing individuals not only differ in the timing of the maturational events, but also in the sequence of these events. Age is one of the essential factors, which play an important role in every aspect of life like in clinical, medico-legal, forensic and anthropological applications and in planning treatment of orthodontic and pedodontic patients. The aim of the study was to determine dental age from orthopantomogram using Demirjian’s method and Nolla’s method and to evaluate the interrelationship between chronological and dental age according to both these methods. Materials and Methods: A cross sectional study was carried out in 177 orthopantomograms of the patient aged between 5 to 15 years. Dental age estimation was done with Demirjian’s and Nolla’s method. Results: The mean chronological age 10.14 + 3.16 compared with the mean Demirjian age 9.58 + 3.39 was statistically non significant p > 0.05 whereas comparision with mean Nolla age 7.88+ 1.56 was significant statistically. Conclusions: Both methods showed delayed dental age compared to chronological age. Demirjian’s method was more applicable to assess the dental age in Nepalese children compared to Nolla’s method.Keywords: chronological age; dental age; Demirjian’s method; Nolla’s method.