Endodontic management of the maxillary first molar with special root canals: A case report and review of the literature

Figure 2 Analysis of anatomical structure by cone beam computed tomography before the treatment. A-C: Cone beam computed tomography images of the left maxillary first molar showing axial sections at the cervical (A), middle (B), and apical levels (C); D-F: Enlarged axial section cone beam computed tomography images at the cervical level showing 1-shaped palatal root canal (D), middle level showing 2-shaped palatal root canal (E), and apical level showing one palatal root (F) of the left maxillary first molar (orange arrows). MB: Mesiobuccal; DB: Distobuccal.