Table 2.

Mean, SD, Minimum Value, and Maximum Value of the Absolute Differences of the Point Clouds and MDC₉₅ Between Sessions 1 and 2 for Each Facial Posture^a

Facial Posture	Axis	Differences (mm)				MDC95 (mm)
		Mean	SD	Min	Max	Mean	SD	Min	Max
Rest	X	0.28	0.14	0.06	0.87	0.65	0.31	0.15	2.2
	Y	0.27	0.16	0.06	1.59	0.65	0.37	0.13	3.04
	Z	0.35	0.18	0.03	1.13	0.84	0.43	0.05	2.61
Posed smile	X	0.43	0.21	0.09	1.22	1.01	0.5	0.2	2.93
	Y	0.43	0.27	0.09	1.41	1.05	0.7	0.23	3.75
	Z	0.61	0.4	0.05	2.61	1.52	1.08	0.14	6.86
Maximum effort smile	X	0.40	0.18	0.08	1.21	0.98	0.44	0.21	3.09
	Y	0.36	0.17	0.1	0.98	0.93	0.48	0.23	2.69
	Z	0.51	0.27	0.06	1.28	1.26	0.65	0.15	3.35

^aMax indicates maximum; MDC₉₅, 95% confidence interval minimal detectable change; Min, miminum; SD, standard deviation.