PREVALENCE OF CONGENITALLY MISSING PERMANENT TEETH IN AEGEAN REGION CHILDREN

Purpose: the purpose of this study was to evaluate the prevalance and distribution of congenitally missing teeth according to gender and localization, excluding the third molar. material and methods: this study was evaluate retrospective examination on panoramic radiographs of 1388 patients (814 females and 574 males) between the ages 8 and 22 years who referred to izmir dental education hospital from january 2012 to june 2013. this study was used a standart survey form. the clinical examination and patient’s history with tooth extraction, cleft lip and palate, systemic disorder were excluded. the cases were evaluated according to gender and localization. the data were statistically evaluated by chi-square and t-test. results: 121 congenitally missing teeth in 110 patients (73 females, 37 males) were found on 1388 panoromic radiographs. the prevalence of congenitally missing permanent teeth was 7.9% the most commonly missing teeth were the mandibular second premolars, followed by the maxillary second premolars, and the maxillary lateral incisors. congenitally permanent missing teeth were observed more than mandibula to maxilla but there were no statistically significant difference between the jaws. conclusion: as a conclusion, although the role of detailed clinical and radiographic examination is important at the the determination of congenitally missing tooth, early diagnosis is also prominent in terms of practice of treatments planning.