Table 3. The mean and SD of two intraoral scanners following the environmental groups (G1, G2).

Distance	D3		D6		D7		D37
Scanners	TRIOS	CS3500	TRIO	CS3500	TRIOS	CS3500	TRIOS	CS3500
G1	25.61 ± 0.11	25.38 ± 0.15	36.83 ± 0.08	37.18 ± 0.33	47.42 ± 0.17	47.65 ± 0.55	31.83 ± 0.07	31.78 ± 0.05
G2	25.56 ± 0.10	25.27 ± 0.15	36.82 ± 0.07	37.09 ± 0.18	47.34 ± 0.13	47.54 ± 0.36	31.87 ± 0.09	31.88 ± 0.17