Table 3.

Post-treatment set up errors during cone beam computed tomoraphy (CBCT).

		No. patients
pre-treatment	(cm)	1	2	3	4	5	6
Anterior–posterior	Average	−0.02	−0.04	−0.19	0.07	−0.01	−0.25
	SD	0.14	0.13	0.14	0.08	0.11	0.04
Left–right	Average	−0.05	0.03	−0.17	0.07	0.01	0.14
	SD	0.12	0.12	0.19	0.10	0.13	0.08
Superior–inferior	Average	−0.05	−0.01	−0.01	0.06	0.09	−0.07
	SD	0.22	0.12	0.19	0.18	0.18	0.13