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Endodontic management of dens invaginatus of maxillary lateral incisor: Report of two cases

Dens invaginatus (DI) is a rare malformation anomaly with a wide variety of morphological types. An early detection of the affected teeth is critical for proper management. The aim of this case report was to describe different occurrences of Type II DI in the maxillary lateral incisors with different treatment managements. The first case was treated with ProRoot® mineral trioxide aggregate (MTA) root repair material as an apical plug and backfill with thermoplasticized gutta-percha for remaining canal space while the second case was filled totally with MTA. Both cases were treated under dental operation microscope. At 12-month post-treatment, the patients were asymptomatic, and the size of the periapical lesion was reduced.