Table 4.

Comparison of the deviations observed in surface analysis between 30 mm mouth opening and 50 mm mouth opening conditions

Intra oral scanner	Arch	Mouth opening	P	SE	CI		t	P
					Lower bound	Upper bound
Parallel confocal microscopy	Upper	30 mm mouth opening	0.59±0.15	0.06	0.42	0.75	0.39	0.70
		50 mm mouth opening	0.55±0.14	0.05	0.40	0.70
	Lower	30 mm mouth opening	0.36±0.08	0.03	0.27	0.45	0.91	0.38
		50 mm mouth opening	0.42±0.14	0.05	0.27	0.57
3D in motion video technology with triangulation	Upper	30 mm mouth opening	0.41±0.10	0.04	0.31	0.52	0.10	0.91
		50 mm mouth opening	0.41±0.13	0.05	0.26	0.55
	Lower	30 mm mouth opening	0.21±0.06	0.02	0.14	0.28	0.56	0.58
		50 mm mouth opening	0.23±0.07	0.02	0.16	0.31

P value derived from paired sample t-test. 3D: Three dimensional, SD: Standard deviation, CI: Confidence interval, SE: Standard error