Table 1: Summary of calcified root canals treated in the study.

JawTooth typeNumber of teethNumber of calcified root canalsPosition of the calcification

MaxillaFirst premolar11Middle 1/3
First molar35Upper 1/3
11Middle 1/3
Second molar45Upper 1/3
11Middle 1/3

MandibleFirst molar22Upper 1/3
Second molar11Middle 1/3

Total1316