Effect of Ambient Lights on the Accuracy of a 3-Dimensional Optical Scanner for Face Scans: An In Vitro Study

Table 2

Root mean square error (RMSE, µm) for precision.

Ambient light		9w			18w			22w		NL
		WW	CW	DL	WW	CW	DL	WW	DL
Precision	Mean	72.38	78.52	73.84	70.67	62.28	70.70	62.10	65.30	56.92
	SD	7.22	10.61	12.96	9.66	3.18	10.63	2.69	4.41	4.56

^∗Statistically significant at p < 0.05. w = Watts, WW = warm white, CW = cool white, DL = daylight, and NL = natural light.