Accuracy of Linear Measurements of Galileos Cone Beam Computed Tomography in Normal and Different Head Positions

Table 2

Mean difference between physical measurements and radiographic measurements in different positions.

Position	Mean difference ± SD (mm)	P value
Ideal	0.04±0.44	0.032
Rotation	0.14±0.52	<0.001
Tilt	0.10±0.53	0.001
Flexion	0.10±0.61	0.107
Extension	0.04±0.44	0.053