Table 1: The frequencies of panoramic radiographic findings.

Panoramic findings No. of teeth %
INT 177 69.14
INT + DAR 56 21.88
INT + DI 13 5.08
INT + NA 4 1.56
INT + DAR + DI 4 1.56
INT + DAR + NA 1 0.39
INT + DAR + DI + NA 1 0.39
Total 256 100

(INT, interruption of mandibular canal; DAR, darkening of third molar root; DI, diversion of mandibular canal; NA, narrowing of third molar root).