Volume 32, Issue 214 (11-2022)                   J Mazandaran Univ Med Sci 2022, 32(214): 184-190 | Back to browse issues page

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Armin M, Dadgar S, Aryana M, Rezaeikalantari N, Mollaei M, Misagh Toupkanloo I et al . Prevalence and Position of Supernumerary Teeth in Patients with Different Malocclusions Attending a Private Orthodontic Clinic in North of Iran, 2006-2021. J Mazandaran Univ Med Sci 2022; 32 (214) :184-190
URL: http://jmums.mazums.ac.ir/article-1-18201-en.html
Abstract:   (655 Views)
Background and purpose: Hyperdontia is defined as supernumerary teeth (ST) in deciduous or permanent dentitions which can cause a variety of dental, occlusion, and cosmetic problems. This study aimed to evaluate the prevalence and location of ST in different classes of malocclusion in a population of orthodontic patients attending a private orthodontic clinic in Sari, North of Iran between 2006 and 2021.
Materials and methods: In this cross-sectional study, the records of 4873 patients were reviewed. ST characteristics and malocclusion classes were studied using panoramic radiography, lateral cephalometry, and intraoral photographs. Data analysis was performed in SPSS ver.26 applying Chi-square, Mann-Whitney, Kruskal-Wallis, and Fisher's exact test.
Results: Out of 4873 records, 36 (0.74%) patients had ST. These included 21 (58.3%) women and 15 (41.7%) men with a mean age of 23.39±10.76 years. The prevalence of ST was not significantly associated with sex, classes of malocclusion, and the type of teeth (P= 0.317, 0.02, and 0.18, respectively). However, significant correlations were found between the incidence of ST and the direction (unilateral or bilateral), malocclusion, and type (maxilla or mandible) and direction (left or right) of the jaw (P<0.001).
Conclusion: Distribution of ST is significantly associated with the direction, malocclusion, and left or right jaw. Nevertheless, additional studies are required in order to offer the best treatment.
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Type of Study: Brief Report | Subject: Dentistry

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