Table 6.

Comparison between units B (Carestream CS 3600), C (CEREC Omnicam) and D (Trios 3Shape) for inter-arch distances (mm)

	B–C	B–D	C–D
	Estimate	Estimate	Estimate
Upper arch
23–13	−0.028	−0.053	−0.025
24–14	0.033	0.008	−0.025
25–15	0.067	0.031	−0.037
26–16	0.085	0.061	−0.025
27–17	0.180	0.109	−0.071
Lower arch
43–33	−0.066	−0.084	−0.018
44–34	−0.004	−0.067	−0.064
45–35	−0.032	0.006	0.038
46–36	0.160	0.094	−0.066
47–37	0.125	−0.001	−0.126