Table 1.

General DA differences between methods.

Accuracy Difference	Mean Difference	t-Test	p
CT vs. AR	−0.30	−0.508	0.61
CT vs. 3DP	0.80	1.66	0.052
3DP vs. AR	0.120	2.04	0.048

CT: CT scan; 3DP: 3D printed models; AR: augmented-reality digital models.