The malformed lingual groove of left maxillary central incisor with two root canals:A case report / 实用口腔医学杂志

ABSTRACT

Dens invaganatus is a type of abnormal morphological differentiation because of the involution in crown surface before tooth calci-fication,it is mostly found in maxillary lateral incisor teeth and rare in incisor.A case of a malformed lingual groove of left maxillary central incisor with 2 root canals is reported in the paper.