A study of prevalence and characteristics of hyperdontia reported in tertiary care institute
Journal Title: Medpulse International Journal of Dentistry - Year 2017, Vol 2, Issue 2
Abstract
Background: Hyperdontia is defined as any extra tooth formed in normal dentition. The etiology of hyperdontia is poorly understood although several theories have been proposed such as dichotomy of tooth germs, hyperactivity of the dental lamina and Atavism. Aims and Objectives: To study the prevalence and characteristics of hyperdontia diagnosed in tertiary care institute. Materials and Method: All the patients attending the out patients department during the six month duration were enrolled in the present study. The diagnosis of hyperdontia was made during clinical and radiographic examination with the help of panaromic, periapical, and occlusal radiography. All radiographs were evaluated on viewers in a dark room. Supernumerary teeth were assessed for their location, morphology, number and whether impacted or not. Results: Out of total 2812 patients 52 patients were having hyperdontia. Thus the prevalence of hyperdontia is 1.85%. Among them 55.77% were male with male: female ratio of 1.26:1. single hyperdontia was seen in 61.54% patients whereas 32.69% showed two hyperdontia. In majority of the patients (52%) the position of supernumerary teeth was angled followed by were vertical position (30.67%). In 54.67% patients the supernumerary teeth were located in maxilla. In 65.33% cases supernumerary teeth was impacted and in 34.67% cases it was erupted. Conclusion: Thus we conclude that the prevalence of hyperdontia was 1.85%. It was seen commonly among male. Single hyperdontia were reported commonly with angled position and were located in maxilla. Impacted teeth were common as compared to erupted.
Authors and Affiliations
Rahul Suresh Bhansali, Harshal Liladhar Chaudhari
Keywords
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