Table 5.

Comparison between units B (Carestream CS 3600), C (CEREC Omnicam) and D (Trios 3Shape) for linear measurements (mm)

	B–C	B–D	C–D
	Estimate	Estimate	Estimate
Upper arch
13	−0.023	−0.032	−0.009
23	−0.006	−0.008	−0.002
14	0.001	−0.020	−0.021
24	−0.026	−0.025	0.001
15	−0.039	−0.036	0.003
25	−0.014	−0.013	0.001
16	−0.003	−0.020	−0.017
26	−0.023	−0.022	0.001
17	0.030	−0.027	−0.057
27	−0.021	−0.046	−0.025
Lower arch
33	−0.010	−0.024	−0.014
43	−0.026	−0.035	−0.009
34	−0.018	−0.009	0.009
44	−0.034	−0.036	−0.002
35	−0.036	−0.035	0.001
45	−0.023	−0.036	−0.013
36	−0.011	−0.031	−0.02
46	0.036	−0.025	−0.061
37	0.045	0.005	−0.04
47	0.027	−0.068	−0.095