A maxillary first molar with two palatal roots and an accessory canal diagnosed by CBCT / 实用口腔医学杂志

ABSTRACT

A maxillary first molar with 2 distinct palatal roots and an accessory canal was diagnosed by CBCT and microscope.An enamel protuberance at the cervical area was found.A properly usage of CBCT and microscope is helpful for the diagnosis and treatment of tooth with complex root canal system.