Oligodontia: A rare case report and literature review

Dental agenesis is the most common developmental anomaly in humans which can occur in an isolated fashion, or as a part of syndrome. Isolated cases of missing teeth can be familial or sporadic in nature. In the literature, many terms are used to describe missing teeth like oligodontia, anodontia, aplasia of teeth, congenitally missing teeth, absence of teeth, agenesis of teeth and lack of teeth. Oligodontia is defined as the developmental absence of six teeth or more, excluding third molars. It can be isolated or as a part of a syndrome such as in ectodermal dysplasia. The present case report describes agenesis of lower anterior permanent teeth which are non-familial and with no apparent systemic abnormalities.