بررسي شيوع و وضعيت نهفتگي دندانهاي نهفته در مراجعان به دانشكده دندانپزشكي شهيد بهشتي بين سالهاي 1382-1378

An investigation on the prevalence and characteristics of impacted teeth among subjects referring to Shaheed Beheshti dental faculty (1378--1382) = (1999-2003)(Pesearch)

Having knowledge about the special characteristics of the impacted teeth such as type, position, depth enable the clinician to choose an appropriate treatment, better surgical method and finally to prevent surgical complications. The goal of the present study was to investigate radiographie characteristics of the impacted teeth in oral radiology department of Shaheed Beheshti dental faculty. The study was conducted through existing data on 2000 occlusal and panoramic radiographics. The data were collected through an informative questionnaire and were analyzed by statistical software (SPSS) including related descriptive statistics. The results of the study showed a prevalence of the impacted teeth about 16.7% (334 cases from 2000 ones). The sequential rate of impaction among teeth was as follows: maxillary third molars with (43%), mandibular third molars (40.5%), maxillary canine (5%), mandibular premolar (3.5%), additional teeth (3%), maxillary premolars and mandibular canines (2.5%). Impaction incidence was slightly higher in maxilla than mandible. The prevalence of the impacted teeth resulted from this study was in accordance with the rate mentioned in reference books and other studies.