Document Type : Original Articles

Abstract

Introduction: Genes produce various organs of the body. Genes can be easily affected by different factors, resulting in mutations and structural changes, the effects of which appear as various diseases and abnormalities in individuals, particularly in their children. Anomalies and defects are more common in familial marriages compared to non-familial marriages. The aim of the present study was to evaluate the prevalence of dental anomalies in the children of familial and non-familial marriages. Materials and methods: In the present study, the records of 660 births related to 220 familial and 330 non-familial marriages were evaluated in Isfahan in relation to dental anomalies of microdontia, macrodontia, hypodontia, hyperdontia and missing teeth. Data was analyzed by chi-square test using SPSS software.Results: According to the results, the anomalies were distributed as follows: Hypodontia: 5% (78.5% in familial marriages); microdontia: 5.4% (63.9% in familial marriages); missing teeth: 8.1% (75.5% in familial marriages); macrodontia: 2.1% (57.1% in familial marriages); hyperdontia: 1.3% (55.6% in familial marriages); Total: 3.4% (68.2% in familial marriages).Conclusion: According to the results, there is a significant statistical relationship between familial marriage and the incidence of dental anomalies but there is no significant relationship between the anomalies and gender. Key words: Anodontia, Hypodontia, Macrodontia, Microdontia, Missing.