Intranasal tooth in a patient with a cleft lip and alveolus.

Ectopic dental eruption into the nasal cavity is a rare phenomenon with an obscure cause. A case of an early erupted intranasal tooth in a patient with a repaired cleft lip, an unrepaired cleft alveolus, and fusion of lower incisor teeth is reported. Only three similar cases of intranasal teeth in cleft patients have been reported in the literature. The unusual features in the present case are highlighted.