Congenitally missing teeth have been observed as one of the most common human dental developmental anomalies. In the permanent dentition the prevalence rate of true partial exodontias is 3.5% to 6.5%. The most likely factors of hypondontia are hereditary, environmental factors and evolution. Various studies have demonstrated differences in frequency and Patten between sexes, and in frequencies among the races. A case of eight congenitally missing teeth is presented.
congenital, missing teeth
