Endodontic management of maxillary permanent first molar with 6 root canals: 3 case reports.

This article discusses the successful endodontic management of 3 permanent maxillary first molars presenting with the anatomical variation of 3 roots and 6 root canals. A literature review pertaining to the variable root canal morphology of the permanent maxillary first molar is also presented. Modifications in the root canal access preparation and methods for examination of the pulpal floor with the aid of magnification for identification of additional canals are emphasized.