Ectopic Premolar Tooth in the Sigmoid Notch

Figure 2

(a, b) CBCT scans show that the premolar is located in the sigmoid notch. (a) Panoramic radiography reconstructed by CBCT and (b) MPR-CBCT: (I) axial slice, (II) coronal slice, and (III) sagittal slice.

(a)

(b)