Non syndromic oligodontia: case report.

Oligodontia is a rare genetic disorder which represents the congenital absence of more than six teeth in primary, permanent or both dentitions. It is usually a part of a syndrome and seldom occurs as an isolated entity. Genes responsible for non syndromic oligodontia are found to be MSX1 and PAX9 genes. In this case report a 13 year old boy is presented who had absence of all four second permanent molars and permanent mandibular incisors. The maxillary central incisors presented with conical shape. During physical examination, there was no abnormality in either hairs or nails, perspiration was normal and no congenital clefts of lip or palate was seen. Hence in this case, Oligodontia is not associated with any syndrome which is a rare finding.