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Journal articles on the topic 'Dental studies'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Bergman, Gunnar, and Bengt Engfeldt. "STUDIES ON MINERALIZED DENTAL TISSUES1." Acta Pathologica Microbiologica Scandinavica 35, no. 6 (August 18, 2009): 537–48. http://dx.doi.org/10.1111/j.1699-0463.1954.tb00901.x.

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2

Shovelton, David S. "A companion to dental studies." British Journal of Oral and Maxillofacial Surgery 25, no. 4 (August 1987): 353. http://dx.doi.org/10.1016/0266-4356(87)90078-7.

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3

Hayward, K. M., and Muljono. "The dental/alveolar contrast in Javanese." Bulletin of the School of Oriental and African Studies 54, no. 1 (February 1991): 126–44. http://dx.doi.org/10.1017/s0041977x00009642.

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The present paper describes a palatographic investigation of Javanese coronal stops. Javanese exhibits stop consonants at both dental and alveolar places of articulation. In the current roman orthography, the dentals are represented by the single letterst, d, while the alveolars are represented by the digraphsth, dh. Thus, for example,titik[titI?] ‘full stop’ contrasts withthithik[titI?] ‘a little’.

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4

Kim, Tae Heon, and Yong Chul Bae. "Studies on the Innervation of Dental Pulp." Korean Society of Oral Health Science 10, no. 2 (June 30, 2022): 63–70. http://dx.doi.org/10.33615/jkohs.2022.10.2.63.

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The dental pulp is innervated by nociceptive afferents. Information on the axons innervating dental pulp and their morphological change during their intrapulpal course, glutamate signaling associated with pulpal axons and on the sensory receptors and ion channel expressed in the pulpal axons help understand pathologic dental pain and dentin sensitivity. Two different types of axons innervate dental pulp;Myelinated and unmyelinated axons. Myelinated axons undergo morphological change during their extrapulpal course from trigeminal ganglion to teeth. Morphological change of the myelinated axons allows embedding of receptors and ion channels into axonal plasmamembrane and become functional. Myelinated and unmyelinated axons show different pattern in distribution of their varicosities within the dental pulp, which may be associated with regional difference in glutamate signaling between myelinated and unmyelinated axons.

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5

Blumer, Sigalit, Benjamin Peretz, Native Yukler, and Sagit Nissan. "Dental Anxiety, Fear and Anxiety of Performing Dental Treatments among Dental Students during Clinical Studies." Journal of Clinical Pediatric Dentistry 44, no. 6 (December 1, 2020): 407–11. http://dx.doi.org/10.17796/1053-4625-44.6.3.

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Purpose: Dental student’s dental anxiety may negatively affect patient’s attitude towards dental treatment. We evaluated dental anxiety among dental students in different clinical stage of their studies. We assessed the student’s anxiety prior to treating patients. Study design: A cross-sectional study. Fourth to sixth-year dental students completed questionnaires containing: 1) Dental Anxiety Scale (DAS); 2) Dental Fear Survey (DFS); and 3) visual analogue scale questions relating to the student’s anxiety when performing dental treatments in children and adults. Results: 124 dental students completed the questionnaires (mean age, 26.4±3.1 years, 59.7% women). Average DAS in the study population was 7.55±2.15 with similar scores observed across the years. Average DFS score was highest among fourth-year students (1.62±0.65) and lowest among sixth year students (1.36±0.32). DFS scores decreased as the students progressed through the clinical years (p=0.059). The students’ average anxiety scores prior to treating children were significantly higher than the anxiety scores prior to treating adults (3.82±2.42 vs. 2.67±1.9, p<0.001). Fifth-year students had significantly higher anxiety scores prior to treating children and adults compared to fourth and sixth-year students. Conclusion: Dental anxiety among dental students is relatively low and decreases gradually as they progress through the clinical years. Anxiety prior to treating patients, particularly children, is at its highest just before starting to treat patients for the first time. As dental students are future healthcare providers, it is important that they learn techniques to help them manage their own dental anxiety and fear as well as deal with anxiety related to treating patients.

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6

Ishikawa, Shin. "Mechanical Studies on Dental Magnetic Attachments." JOURNAL OF THE STOMATOLOGICAL SOCIETY,JAPAN 60, no. 1 (1993): 98–120. http://dx.doi.org/10.5357/koubyou.60.98.

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7

ITO, Shigeru, and Seiichiro FUJISAWA. "NMR Studies on Dental Adhesive Monomer." Dental Materials Journal 15, no. 1 (1996): 1–10. http://dx.doi.org/10.4012/dmj.15.1.

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8

LAIO, W. M., M. TAIRA, K. OHMOTO, H. SHINTANI, and M. YAMAKI. "Studies on dental high-speed cutting." Journal of Oral Rehabilitation 22, no. 1 (January 1995): 67–72. http://dx.doi.org/10.1111/j.1365-2842.1995.tb00212.x.

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9

Rubbi, E., O. Baffa, D. Vinha, and L. H. de Camargo Thomé. "Rheological studies of photopolymerized dental composites." Dental Materials 9, no. 6 (November 1993): 361–64. http://dx.doi.org/10.1016/0109-5641(93)90057-w.

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10

Bagnall, R. D., C. M. Davies, J. Foley, and J. F. McCord. "pH studies in modern dental alginates." Clinical Materials 5, no. 1 (January 1990): 47–51. http://dx.doi.org/10.1016/0267-6605(90)90071-3.

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11

Manyani, Abdelkarim, Hanane Chaou, Naima Rhalem, Abdelmajid Soulaymani, and Rachida Soulaymani Bencheikh. "Dental amalgam risks in dental staff: systematic review." E3S Web of Conferences 319 (2021): 01001. http://dx.doi.org/10.1051/e3sconf/202131901001.

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Mercury is an essential constituent of dental amalgams, several studies have shown that dental personnel who work with dental amalgams are chronically exposed to mercury vapors. The World Health Organization considers that inhaling mercury vapors can have harmful effects on the nervous, immune, pulmonary and renal systems. The objective of this review was to collect and analyze data relating to the exposure of dental personnel to mercury and the possible harmful effects on human health. All biomonitoring studies published between 2002 and 2019 measuring mercury in hair, blood, urine and nails were included. Dentists reported higher levels of mercury in their biomarkers compared to control groups. These levels reflected occupational exposures to chronic low levels of elemental mercury in dental amalgam fillings. Some studies have shown a high prevalence of neurological symptoms and memory deficit in dental staff compared to controls. Studies based on genes involved in mercury metabolism have shown associations between sources of mercury exposure and single nucleotide polymorphisms in these genes. It is important that preventive measures are strengthened to reduce exposure to mercury and that a biomonitoring program for dental professionals exposed to mercury vapors is implemented.

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12

Dragus, Laurentiu, Alberta Simona Tinu, Costin Coman, Raluca Monica Comaneanu, and Doina Lucia Ghergic. "Preliminary Studies on the Biomechanical Behavior of Metal-ceramic Restorations." Revista de Chimie 69, no. 9 (October 15, 2018): 2594–96. http://dx.doi.org/10.37358/rc.18.9.6585.

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In order to increase the patient�s quality of life, interdisciplinary studies on dental materials are becoming more and more frequent in an attempt to assess as accurately as possible the resistance of dental restorations over time. One of the methods of analysis of resistance to the masticatory forces of dental restorations is the finite element method (FEM). We studied a 3-element dental bridge made of a metallic Co-Cr-Mo alloy and dental ceramics, designed for the prosthesis of a tooth 3.6. On each element of the dental bridge we applied a force of 250 N in the direction Z and a force of 100 N in the Y direction. The most vulnerable areas, where the highest stresses occur, are located predominantly in the neck regions and around the points of contact between the elements of the dental bridge. However, the experimentally determined values have low intensities that would not endanger the resistance of the restoration unless it is overloaded.

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13

Shukri, Deema Kamal M., Dala Jumah Alturaif, Laila Mohammed Alanazi, Alwaleed Talal Alanazi, Riyadh Ahmed Almalki, Dawi Hamed S. Alrashidy, Abdullah Mohammed Gusti, Hassan Waleed S. Khan, Nadia Aqeel Alanazi, and Hani Abdulaziz Al Qataberi. "The Effect of Dental Ultrasonic Scaler on Dental Restorations." Saudi Journal of Oral and Dental Research 7, no. 8 (August 21, 2022): 201–7. http://dx.doi.org/10.36348/sjodr.2022.v07i08.003.

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The ultrasonic scalers are today becoming the most chosen form of dental polishing and cleaning. With the various researchers and lab tests done on them, it is steered clear of any side effects or invasive methodologies that might harm the patient in any manner. It works both on the soft and hard oral tissues have become the most widely used cleaning instruments among dental practitioners. Ultrasonic scalers use its vibrating power to eradicate different forms of dental plague and foreign components from the teeth. Through various on-field experiments and lab tests, it was made sure that these ultrasonic scalers work much better than any other primitive method for the same task. And that’s the major reason why it is so much in demand, ultrasonic scaling has become widely used for professional tooth cleaning. The aim of the systematic review is to assess the role of ultrasonic scaling on dental restoration. A computerized literature search was performed in following database including: Pubmed, the Cochrane Library, Google Scholar and Scopus databases from 1st January 2000 till January 2022. Studies determining the impact of ultrasonic scaling on dental restorations including randomized controlled trials, prospective and retrospective studies, and cross-sectional studies were included. After an initial search a total of 570 articles were identified. Then, 44 studies which were full-text articles were critically reviewed by independently for eligibility. Finally, 10 studies which met all the inclusion criteria were included in the review. The findings showed that out of all of the elements used, we can observe that the glass ionomers have had the chances of greater impacts. Further studies should assess the method of polishing for the removal of discolorations from ceramic restorations after ultrasonic scaling procedures and the possible side effects of polishing.

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14

Masuhara, Eiichi. "The idea of studies on dental polymers." JOURNAL OF THE STOMATOLOGICAL SOCIETY,JAPAN 53, no. 2 (1986): 377–85. http://dx.doi.org/10.5357/koubyou.53.377.

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15

N/A. "Ozone Treatment for Dental Caries: Clinical Studies." Biological Therapies in Dentistry 21, S1 (2005): 1. http://dx.doi.org/10.2310/7040.2005.21151.

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16

Zhao, Donglei, John Botsis, and James L. Drummond. "Fracture studies of selected dental restorative composites." Dental Materials 13, no. 3 (May 1997): 198–207. http://dx.doi.org/10.1016/s0109-5641(97)80027-9.

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17

TAIRA, M., Y. NOMURA, K. WAKASA, M. YAMAKI, and A. MATSUI. "Studies on fracture toughness of dental ceramics." Journal of Oral Rehabilitation 17, no. 6 (November 1990): 551–63. http://dx.doi.org/10.1111/j.1365-2842.1990.tb01426.x.

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18

JENKINS, S. M., and P. M. H. DUMMER. "A laboratory model for dental radiographic studies." Journal of Oral Rehabilitation 22, no. 10 (October 1995): 753–58. http://dx.doi.org/10.1111/j.1365-2842.1995.tb00219.x.

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19

Kurt-Gabel, Chris. "Medical emergencies in dental practice: case studies." Dental Nursing 8, no. 9 (September 2012): 580–83. http://dx.doi.org/10.12968/denn.2012.8.9.580.

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20

Taira, M., J. B. Moser, and E. H. Greener. "Studies of Ti alloys for dental castings." Dental Materials 5, no. 1 (January 1989): 45–50. http://dx.doi.org/10.1016/0109-5641(89)90093-6.

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21

Jacobsen, N. "Causes and outcomes of discontinued dental studies." Journal of Dental Education 58, no. 10 (October 1994): 771–74. http://dx.doi.org/10.1002/j.0022-0337.1994.58.10.tb02899.x.

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22

Grenby, T. H., A. Phillips, T. Desai, and M. Mistry. "Laboratory studies of the dental properties of soft drinks." British Journal of Nutrition 62, no. 2 (September 1989): 451–64. http://dx.doi.org/10.1079/bjn19890045.

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The composition and dental properties of eight different soft drinks, representing some of the most popular types used in the UK, were examined. Demineralization experiments were conducted on hydroxylapatite, the basic component of dental enamel, determining calcium dissolving by atomic absorption spectroscopy and phosphorus by u.v. visual spectrophotometry. The titratable acid content of the drinks was found to give a better guide than their pH to their potential dental erosiveness. The sugar content, in their ready-to-drink form, varied from zero in a low-calorie product up to almost 14 % in a blackcurrant drink, but using a technique with a relatively long contact time, and in the absence of intact dental plaque, the demineralizing action on hydroxylapatite of the acids already in the drinks eclipsed the effects of the acid generated by oral micro-organisms from the sugars in the drinks. The pure citrus juices showed potentially the worst dental properties, followed by the orange and blackcurrant concentrates after dilution to their ready-to-drink form, with least demineralization from the carbonated drinks, and a cola drink giving especially low values.

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23

Traebert, Jefferson, Luiz Gustavo Teixeira Martins, Eliane Silva de Azevedo Traebert, and Marcelo Carlos Bortoluzzi. "DENTAL HOT-COLD SENSITIVITY AND TRAUMATIC DENTAL INJURIES." Journal of Research in Dentistry 2, no. 2 (May 3, 2014): 111. http://dx.doi.org/10.19177/jrd.v2e22014111-8.

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AIM: Although several studies have indicated negative impacts of traumatic dental injuries on children’s quality of life, virtually none of them have explored the possible association between them and the occurrence and dental hot-cold sensitivity. The aim of this study was to study the possible association of hot-cold dental sensitivity and history of traumatic dental injuries. MATERIAL AND METHODS: A cross-sectional study involving a representative sample of 11- to 14-year-old schoolchildren from 13 Brazilian municipalities was carried out. Data on traumatic dental injuries were collected through oral exanimations. Non-clinical data were obtained through structured interviews on socio-demographic profile and prevalence of dental hot-cold sensitivity. Non-conditional logistic regression analysis was performed for the presence of dental hot-cold sensitivity controlled for gender, maternal schooling and history of dental caries. RESULTS: The prevalence of dental hot-cold sensitivity was 30.3% and the prevalence of traumatic dental injuries was 16.6%. Schoolchildren presenting traumatic dental injuries had 22% higher prevalence of dental hot-cold sensitivity compared to those without it regardless other studied variables. CONCLUSIONS: A significant and independent association between dental hot-cold sensitivity and history of traumatic dental injuries was observed.

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24

López-Valverde, Nansi, Jorge Muriel Fernández, Antonio López-Valverde, Luis F. Valero Juan, Juan Manuel Ramírez, Javier Flores Fraile, Julio Herrero Payo, Leticia A. Blanco Antona, Bruno Macedo de Sousa, and Manuel Bravo. "Use of Virtual Reality for the Management of Anxiety and Pain in Dental Treatments: Systematic Review and Meta-Analysis." Journal of Clinical Medicine 9, no. 4 (April 5, 2020): 1025. http://dx.doi.org/10.3390/jcm9041025.

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Background: Dental treatments often cause pain and anxiety in patients. Virtual reality (VR) is a novel procedure that can provide distraction during dental procedures or prepare patients to receive such type of treatments. This meta-analysis is the first to gather evidence on the effectiveness of VR on the reduction of pain (P) and dental anxiety (DA) in patients undergoing dental treatment, regardless of age. Methods: MEDLINE, CENTRAL, PubMed, EMBASE, Wiley Library and Web of Science were searched for scientific articles in November 2019. The keywords used were: “virtual reality”, “distraction systems”, “dental anxiety” and “pain”. Studies where VR was used for children and adults as a measure against anxiety and pain during dental treatments were included. VR was defined as a three-dimensional environment that provides patients with a sense of immersion, transporting them to appealing and interactive settings. Anxiety and pain results were assessed during dental treatments where VR was used, and in standard care situations. Results: 31 studies were identified, of which 14 met the inclusion criteria. Pain levels were evaluated in four studies (n = 4), anxiety levels in three (n = 3) and anxiety and pain together in seven (n = 7). Our meta-analysis was based on ten studies (n = 10). The effect of VR was studied mainly in the pediatric population (for pain SMD = −0.82). In the adult population, only two studies (not significant) were considered. Conclusions: The findings of the meta-analysis show that VR is an effective distraction method to reduce pain and anxiety in patients undergoing a variety of dental treatments; however, further research on VR as a tool to prepare patients for dental treatment is required because of the scarcity of studies in this area.

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25

Tulek, Amela, Aida Mulic, Maria Runningen, Jannike Lillemo, Tor Paaske Utheim, Qalbi Khan, and Amer Sehic. "Genetic Aspects of Dental Erosive Wear and Dental Caries." International Journal of Dentistry 2021 (July 12, 2021): 1–14. http://dx.doi.org/10.1155/2021/5566733.

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Objectives. The present review aims to give an overview of the literature focusing on novel genetic aspects of dental erosion and dental caries. Once the tooth erupts into the oral cavity, the regenerative capability of enamel is fundamentally limited due to the loss of dental epithelium during eruption. The susceptibility or resistance to dental erosion and caries is presumably a result of environmental, phenotypic, and/or genetic influence. Even though it is evident that individuals frequently exposing their teeth to acid and sugar are at high risk of developing dental erosion and caries, the findings exclusively based on these factors are elusive. Data resources and study selection. The present review was based on data collected from the National Library of Medicine database with different combinations of the following terms: “tooth,” “dental,” “dentin,” “enamel,” “erosion,” “erosive wear,” “caries,” “decay,” “gene,” and “genetic.” A total of forty-six studies met the inclusion criteria. Data were extracted by one reviewer and verified by another. Conclusion. The high prevalence of erosion and caries among certain groups, and observations that not all individuals appearing to be at risk develop these lesions, has sparked research on identifying genetic effects to these conditions. A connection of genome-wide and candidate gene studies has increased considerably in the literature. This review reveals largely varying success among studies, demonstrating the difficulties of developing the study with adequate sample sizes and durable phenotype definitions that permit enough statistical power to identify genetic contributors.

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26

Gomes, Heloisa Sousa, Anelise Daher, Paulo Sucasas Costa, Aline Carvalho Batista, and Luciane Rezende Costa. "Crossover Studies of Pediatric Dental Sedation are Inappropriate." Brazilian Dental Journal 30, no. 4 (July 2019): 404–9. http://dx.doi.org/10.1590/0103-6440201902852.

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Abstract Crossover studies continue to be published in spite of warnings about their inherent risks in relation to behavioral outcomes. This study took the opportunity of access to secondary data analysis in order to demonstrate the impact of a crossover design on the outcomes of randomized clinical trials aimed at the behavior of children during dental treatment. We evaluated the effect of the sequence of sedative administration, the sedative and the participant’s age on the behavior of children undergoing two sequential dental visits. Eighteen uncooperative healthy young children were equally randomly assigned to: (G1) 1.0 mg/kg oral midazolam (first session) and oral placebo (second session); (G2) oral placebo (first) and 1.0 mg/kg oral midazolam (second). One trained observer assessed children’s behavior. Data were analyzed by three-way mixed ANOVA. Both midazolam [mean(SD); 71.7%(16.5)] and placebo [48.6%(33.1)] produced more struggling behavior when they were administered in the first session compared to the second one (p=0.001). For the placebo, children aged 2-3 years exhibited more struggling behavior [G1 54.9%(36.2); G2 80.5%(8.3)] than those aged 4-5 years (p=0.04). Also, the reduction of percentage of struggling behavior was higher in G1 for older children (76.2%) and in G2 for younger children (32.9%). There were significant interactions between drug and sequence of administration, and between drug and age. The results of our study confirm the conventional wisdom that crossover study design is inappropriate to evaluate children’s behavior/anxiety related-dental treatment under sedation and the results of crossover studies of dental sedation should be treated with extreme caution.

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27

Scott, G. R., and C. G. Turner. "Dental Anthropology." Annual Review of Anthropology 17, no. 1 (October 1988): 99–126. http://dx.doi.org/10.1146/annurev.an.17.100188.000531.

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28

Brace, C. Loring. "Dimensions of dental anthropology." Reviews in Anthropology 12, no. 1 (January 1985): 5–10. http://dx.doi.org/10.1080/00988157.1985.9977706.

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29

Grosu, Diana, Silvia Railean, Lucia Avornic, Gheorghe Mihailovici, and Igor Ciumeico. "Dental crack sealing. Prevention of dental caries." Bulletin of the Academy of Sciences of Moldova. Medical Sciences, no. 2(73) (November 2022): 76–79. http://dx.doi.org/10.52692/1857-0011.2022.2-73.11.

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Dental caries affects temporary and permanent teeth, in some cases in a short time after their eruption. Statistical data show that dental caries affecting 71.2-97.1% of the population worldwide new methods for its prevention, diagnosis and treatment. Epidemiological studies show that in children with recently erupted teeth, predominates caries of the occlusal. The high prevalence of caries necessitates the study and continuous development of surfaces of the molars. For these reasons, the condition of dental fissures, in terms of the presence of dental plaque or bacterial plaque, is a risk factor for the development of dental caries. Fissure sealing is included by WHO as one of the 4 methods for preventing dental caries.

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30

Krueger, Tillmann H. C., Heinz-Werner Heller, Berthold P. Hauffa, Philip Haake, Mike S. Exton, and Manfred Schedlowski. "The Dental Anxiety Scale and Effects of Dental Fear on Salivary Cortisol." Perceptual and Motor Skills 100, no. 1 (February 2005): 109–17. http://dx.doi.org/10.2466/pms.100.1.109-117.

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Only a few studies have investigated use of the Dental Anxiety Scale in dental fear-induced neuroendocrine changes. The present study examined 19 female patients, each at two timepoints across an educational and a treatment session within a periodontitis therapy. Subjective measures included a visual analogue scale, the STAI State scale, and the Dental Anxiety Scale. Salivary cortisol was measured in parallel across all four timepoints. Although patients were significantly more aroused and anxious prior to the treatment session, salivary cortisol remained unchanged. However, patients with high Dental Anxiety were significantly more aroused and anxious and showed significantly higher salivary cortisol during the educational session than those with low scores on Dental Anxiety. In conclusion, the Dental Anxiety Scale differentiated mean neuroendocrine change between patients scoring low and high for Dental Anxiety and its use as an accurate tool to identify patients with high dental anxiety should be further studied predictively.

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31

Brett, Christopher M. A., Heloísa A. Acciari, and Antonio C. Guastaldi. "Corrosion of Dental Amalgams: Studies of Individual Phases." Key Engineering Materials 230-232 (October 2002): 463–66. http://dx.doi.org/10.4028/www.scientific.net/kem.230-232.463.

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32

Lazar, Adela Cristina, Radu Lacatus, Mariana Pacurar, and Radu Septimiu Campian. "Studies Results Regarding Bisphosphonate Therapy in Dental Medicine." Revista de Chimie 69, no. 4 (May 15, 2018): 1018–22. http://dx.doi.org/10.37358/rc.18.4.6250.

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Osteoporosis is a health problem reported worldwide, which predominantly affects women in menopause. Since the percentage level in this population category is quite high, a treatment plan was elaborated to minimize the negative effects of this bone disease, to restore the general state of comfort and allow women to reintegrate in society.

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33

Nishihara, Katsunari, and Shigeru Nakagiri. "Biomechanical Studies on Newly Tailored Artificial Dental Root." Bio-Medical Materials and Engineering 4, no. 3 (1994): 141–49. http://dx.doi.org/10.3233/bme-1994-4302.

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34

Knox, K. W. "Studies at the Institute of Dental Research, Sydney." Australian Dental Journal 30, no. 3 (June 1985): 206–10. http://dx.doi.org/10.1111/j.1834-7819.1985.tb04136.x.

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35

Berstein, A., I. Bemauer, R. Marx, and W. Geurtsen. "Human cell culture studies with dental metallic materials." Biomaterials 13, no. 2 (January 1992): 98–100. http://dx.doi.org/10.1016/0142-9612(92)90002-6.

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36

Jeon, Chae Lin, Eun Jin Woo, and Sunyoung Pak. "Review of Previous Studies on Dental Wear Method." Anatomy & Biological Anthropology 32, no. 1 (2019): 1. http://dx.doi.org/10.11637/aba.2019.32.1.1.

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37

Huysmans, M. C. D. N. J. M., H. P. Chew, and R. P. Ellwood. "Clinical Studies of Dental Erosion and Erosive Wear." Caries Research 45, s1 (2011): 60–68. http://dx.doi.org/10.1159/000325947.

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38

Chau, Alex Man Him, Edward Chin Man Lo, May Chun Mei Wong, and Chun Hung Chu. "Interpreting Poisson Regression Models in Dental Caries Studies." Caries Research 52, no. 4 (2018): 339–45. http://dx.doi.org/10.1159/000486970.

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Oral epidemiology involves studying and investigating the distribution and determinants of dental-related diseases in a specified population group to inform decisions in the management of health problems. In oral epidemiology studies, the hypothesis is typically followed by a cogent study design and data collection. Appropriate statistical analysis is essential to demonstrate the scientific association between the independent factors and the target variable. Analysis also helps to develop and build a statistical model. Poisson regression and its extensions have gained more attention in caries epidemiology than other working models such as logistic regression. This review discusses the fundamental principles and basic knowledge of Poisson regression models. It also introduces the use of a robust variance estimator with a focus on the “robust” interpretation of the model. In addition, extensions of regression models, including the zero-inflated model, hurdle model, and negative binomial model, and their interpretation in caries studies are reviewed. Principles of model fitting, including goodness-of-fit measures, are also discussed. Clinicians and researchers should pay attention to the statistical context of the models used and interpret the models to improve the oral and general health of the communities in which they live.

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39

Donner, A., and D. Banting. "Analysis of Site-specific Data in Dental Studies." Journal of Dental Research 67, no. 11 (November 1988): 1392–95. http://dx.doi.org/10.1177/00220345880670110601.

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40

KANEKANIAN, A., R. WILLIAMS, V. BROWNSELL, and A. ANDREWS. "Caseinophosphopeptides and dental protection: Concentration and pH studies." Food Chemistry 107, no. 3 (April 1, 2008): 1015–21. http://dx.doi.org/10.1016/j.foodchem.2007.09.013.

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41

Hart, GT, EL Burton, and HH Mincer. "Use of screening blood studies in dental schools." Journal of Dental Education 55, no. 11 (November 1991): 735–37. http://dx.doi.org/10.1002/j.0022-0337.1991.55.11.tb02593.x.

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42

NICOLAU, Alexandru Mircea, Vlad-Gabriel VASILESCU, and Viorica MILICESCU. "Clinical studies and comments on orthodontic miniimplant anchorage." Romanian Journal of Medical Practice 10, no. 1 (March 31, 2015): 67–72. http://dx.doi.org/10.37897/rjmp.2015.1.11.

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Miniimplant recently became a way of orthodontic treatment. Compared to the other implants, miniimplants are relatively small, allowing them to be placed between the dental roots in various areas of the jaws and serve as skeletal anchorage for orthodontic tooth movements. The use of miniimplants for orthodontic skeletal anchorage may be an predictable and accurate alternative without requiring patient compliance, compared with conventional versions of anchorage. The paper presents a series of clinical cases seen and treated within the dental office of S.C. RANDI SRL and in the Department of Orthodontics at New York University College of Dentistry.

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Peres, K. G., W. M. Thomson, B. W. Chaffee, M. A. Peres, N. Birungi, L. G. Do, C. A. Feldens, et al. "Oral Health Birth Cohort Studies: Achievements, Challenges, and Potential." Journal of Dental Research 99, no. 12 (July 17, 2020): 1321–31. http://dx.doi.org/10.1177/0022034520942208.

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Birth cohorts are those among observational studies that provide understanding of the natural history and causality of diseases since early in life. Discussions during an International Association for Dental Research symposium in London, United Kingdom, in 2018, followed by a workshop in Bangkok, Thailand, in 2019, concluded that there are few birth cohort studies that consider oral health and that a broader discussion on similarities and differences among those studies would be valuable. This article aims to 1) bring together available long-term data of oral health birth cohort studies from the low, middle, and high-income countries worldwide and 2) describe similarities and differences among these studies. This work comprises 15 studies from all 5 continents. The most studied dental conditions and exposures are identified; findings are summarized; and methodological differences and similarities among studies are presented. Methodological strengths and weaknesses are also highlighted. Findings are summarized in 1) the negative impact of detrimental socioeconomic status on oral health changes over time, 2) the role of unfavorable patterns of dental visiting on oral health, 3) associations between general and oral health, 4) nutritional and dietary effects on oral health, and 5) intergenerational influences on oral health. Dental caries and dental visiting patterns have been recorded in all studies. Sources of fluoride exposure have been documented in most of the more recent studies. Despite some methodological differences in the way that the exposures and outcomes were measured, some findings are consistent. Predictive models have been used with caries risk tools, periodontitis occurrence, and permanent dentition orthodontic treatment need. The next steps of the group’s work are as follows: 1) establishing a consortium of oral health birth cohort studies, 2) conducting a scoping review, 3) exploring opportunities for pooled data analyses to answer pressing research questions, and 4) promoting and enabling the development of the next generation of oral health researchers.

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Marek, M. I. "Dental Amalgam: Reactor Response." Advances in Dental Research 2, no. 1 (August 1988): 87–92. http://dx.doi.org/10.1177/08959374880020012501.

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Dental amalgam continues to be an important restorative material; both fundamental and applied research should be encouraged. The criteria for replacement of amalgam restorations should be re-examined to determine if the integrity of the margins should continue to receive the dominant research interest. In the studies of mechanical properties, first attempts have been made to apply fracture mechanics analysis to dental amalgam. The heterogeneous structure and time-dependent strain of dental amalgam will have to be considered in future studies. More attention should be given to the effects of zinc, which has been shown to improve resistance to marginal fracture. The corrosion properties have been studied in depth, but there are some important unanswered questions. The pathways of corrosion attack in high-copper amalgams and the kinetics of attack in amalgams of different composition should be examined. Biocompatibility of dental amalgam has recently received renewed interest and will have to be examined in more detail. The clinical significance of the release of metallic elements from restorations is generally unknown. Dental amalgam faces strong competition from non-metallic restorative materials. Future research should be more strongly focused on the critical issues. The involvement of scientists from related disciplines should be encouraged, and no effort should be made to restrict the talent pool by a centralization of resources.

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Ваневская, Е., E. Vanevskaya, Ю. Мандра, J. Mandra, В. Базарный, and V. Bazarniy. "CLINICO-LABORATORY STUDIES OF SECRETORY IMMUNITY AND DENTAL STATUS WITH HERPETIC LESIONS ORAL CAVITY." Actual problems in dentistry 9, no. 2 (April 25, 2013): 26–28. http://dx.doi.org/10.18481/2077-7566-2013-0-2-26-28.

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<p>The immunoreactivity of the mucous membranes is important pathogenetic factor in determining the nature of the manifestations of herpes infection. The purpose of research is investigation of the relationship indicators secretory immunity and dental status of patients with herpetic lesions of the oral cavity. Results of a clinical dental examination of patients showed higher values of the index of the intensity of dental caries in the study group. We found a tendency to reduce hygiene index in patients with manifestations of herpes infection in the mouth. The secretory immunity differences correlated with dental indices.</p>

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Steflik, D. E., M. J. Song, A. L. Sjsk, G. R. Parr, P. J. Hanes, R. V. McKinney, B. B. Singh, and P. Brewer. "HVEM studies of the calcified bone interface with endosteal dental implants." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 36–37. http://dx.doi.org/10.1017/s042482010008448x.

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Previous studies have suggested the prerequisite of bone interfacing successful endosteal dental implants. This is the concept of osseointegration of dental implants within the jaw. However, the ultrastructure of the actual bone interface is largely unknown. This current study is planned to elucidate with correlative high-voltage electron microscopy (HVEM) and conventional electron microscopy (TEM), the morphology of the interface of the support tissues to endosteal dental implants. All ultrastructural protocols involve undecalcified tissue sectioning.After 2 months healing following extraction of all premolars, 120 root form and blade-type endosteal dental implants were placed into the mandibles of 30 adult mongrel dogs. This report will be restricted to 12 implants retrieved from animals euthanized after 5 months of unloaded healing. Following perfusion with buffered 3% glutaraldehyde the implants were block resected with their encasement of mandibular tissues, fixed by immersion for 24 hr in glutaraldehyde and postfixed with 1% OsO4 for 2 hr.

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AlShaya, Mohammad. "Perception, Awareness and Knowledge of Dental Professionals About Teledentistry in Saudi Arabia - A Literature Review." Bioscience Biotechnology Research Communications 14, no. 4 (December 24, 2021): 1393–97. http://dx.doi.org/10.21786/bbrc/14.4.2.

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Access to dental care in Saudi Arabia is a challenge due to the lack of proper distribution of the dental workforce. Teledentistry is the field of dentistry that helps to receive and provide dental service remotely using digital platforms. It can facilitate access to dental care, especially in underserved regions. The implication of teledentistry needs to address the concerns of dental professionals to ensure effective teledentistry application in dental practice. This review aimed to explore the literature about the perception, awareness, and knowledge of dental professionals about teledentistry in Saudi Arabia. Peer-reviewed literature was searched in databases including Web of Science, Scopus, PubMed, and Google Scholar with no time limits using the keywords: “Teledentistry”, “Dental Telemedicine”, “Saudi Arabia”, “Perception”, “Knowledge”, “Awareness”. We identified 7 relevant studies. All of them were after the breakthrough of the COVID-19 pandemic. Two studies targeted all dental professionals while another two studies investigated the dentists. Undergraduate dental students were investigated by one study as well as postgraduates. One study focused on both undergraduate and postgraduate dental students. Our review found that the perception, knowledge, awareness, and attitude of Saudi dental professionals are positive. Many studies pointed out that the dental professionals in Saudi Arabia are practicing teledentistry and are open to learn and get more knowledge about it. Teledentistry got more attention during the post-COVID19 time by Saudi dental professionals. Structured and sustainable models and education pogroms are recommended to utilize the benefits of teledentistry in Saudi Arabia.

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Blankenship-Sefczek, Erin C. "Brief communication: maxillary lateral incisor morphology and uncommon trait expression: a case study from prehistoric Paa-ko, New Mexico." Dental Anthropology Journal 26, no. 1-2 (September 1, 2018): 15–19. http://dx.doi.org/10.26575/daj.v26i1-2.44.

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Prehistoric American Southwest exhibits a high frequency of dental morphological variability. This high variability may be the result of gene flow and subsequent genetic drift occurring in early periods (pre CE 900), though few studies report on dental variability in later periods. Morphological traits of the maxillary lateral incisors were analyzed from the Pueblo IV site of Paa-ko, New Mexico (CE 1300-1425) yielding high frequencies of four traits (shovel, double shovel, tuberculum dentale, interruption groove) and uncommon variants (barrel-shovel, triform, peg-shaped). Lateral incisor morphology is underrepresented in the literature but could be useful in determining population migration and affinity.

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Popescu, Sanda Mihaela, Horia Octavian Manolea, Oana Andreea Diaconu, Veronica Mercuţ, Monica Scrieciu, Ionela Teodora Dascălu, Mihaela Jana Ţuculină, Florian Obădan, and Florin Dan Popescu. "Zirconia Biocompatibility in Animal Studies - A Systematic Review." Defect and Diffusion Forum 376 (July 2017): 12–28. http://dx.doi.org/10.4028/www.scientific.net/ddf.376.12.

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Zirconia is a metal used in dental implantology. Its biocompatibility was studied in vitro and in vivo, results of the studies being analyzed in reviews and meta analyses. The aim of this systematic review was to evaluate biocompatibility of zirconia in animal studies in vivo expressed as results of histomorphometric tests. Databases were searched from 1980 until February 2016, with different combination of the following MeSH terms: zirconium, biocompatibility, dental implants, in vivo, animal studies. Letters to the editors, case reports, commentaries, review articles and articles published in other languages then English were excluded. The search of PubMed, ScienceDirect and Google Scholar databases yielded 690 titles. After abstract screening and duplicate discarding 50 articles were identified and finally, 40 were included in the review. Most of the studies compared zirconia with titanium, a well established material for dental implants. In majority of the studies zirconia showed a similar osseointegration with titanium. Surface implant treatments, like sandblasted and etched zirconia (ZrO2-SLA), alumina toughed zirconia (ATZ), and powder injection molding (PIM) were used to improve osseointegration of zirconia with good results. In the light of histomorphometric test, zirconia, no matter physical and structural forms tested, is a biocompatible material.

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Alshihri, Abdulmonem A., Helen J. Rogers, Mohammed A. Alqahtani, and Mohammed S. Aldossary. "Association between Dental Caries and Obesity in Children and Young People: A Narrative Review." International Journal of Dentistry 2019 (May 2, 2019): 1–8. http://dx.doi.org/10.1155/2019/9105759.

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Objectives. To explore the association between obesity and dental caries in children and adolescents. Furthermore, to consider the possible reasons behind this relationship. Methods. A database search for papers published between January 2015 and May 2018, inclusive, addressing the association between obesity and dental caries was conducted. A review and critical appraisal of all included studies was performed. Results. Twenty-six studies were included in this review from different populations worldwide. Eight studies assessed the primary dentition, nine studies were conducted on permanent dentition, and remaining nine studies on both dentitions. The results regarding the association between obesity and dental caries were conflicting and inconsistent. Nine studies concluded that there was no relationship between obesity and dental caries. A positive association was reported in five studies, while the inverse association was reported in eleven studies. Studies included in this review had significant variations in methodology and the investigated cofactors. Possible explanations of the controversial association between obesity and dental caries are discussed in this review. Conclusion. Both obesity and dental caries are multifactorial diseases, and their association is far more complex that can be explained by a single common risk factor, presenting evidence for the complexity of this association.

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