Prevalence of tooth agenesis in orthodontic patient population in Western New York.

Permanent tooth agenesis is among the most common developmental anomalies encountered in dental practice. The purpose of this study was to investigate the prevalence and characteristics of tooth agenesis in orthodontic patients in Western New York. Compared to similar studies, it was found that the prevalence of congenitally missing permanent teeth in orthodontic patients is relatively high (11.