Maxillary First Molars with Two Palatal Root Canals

Figure 1

(a) Preoperative periapical radiograph. Note the divergence of the buccal roots and the unclear palatal root. (b) Axial CBCT image at the cervical third of the roots showing fusion of the buccal roots (triangle) and one palatal canal (arrow) in the palatal root. (c) Axial CBCT image at the middle third of the roots showing two canals in the palatal root (arrow).

(a)

(b)

(c)