Moreover, bilateral maxillary lateral incisor agenesis is more frequent. It is known that Caucasians and females are more affected by tooth agenesis. 1,2,3 The prevalence of maxillary lateral incisor agenesis varies between 1.5%-2%, 4 this data may change according to the population studied, race and gender. Agenesis is considered to be the most suitable term, since from its’ Greek derivation it describes the failure of an organ to develop during embryonic growth. Several terms have been used in the literature to describe this anomaly. The congenital absence of one or more teeth is the most common anomaly of dental development in humans.
