Table 1.

Agreement between cone beam computed tomography defined radiological focus and film test (deviation vector is the average of the three‐dimensional vector of each independent measurement).

Coordinate	∆X	∆Y	∆Z
100, 100, 100	−0.07 ± 0.03 mm	0.02 ± 0.17 mm	−0.1 ± 0.17 mm
Deviation vector	0.29 ± 0.06 mm