Numerical Evaluation of Image Contrast for Thicker and Thinner Objects among Current Intraoral Digital Imaging Systems

Table 5

Three-way ANOVA and multiple comparison of the low contrast value.

Source of Variation	value (ANOVA)	Multiple comparison	value
Detector	<0.001	Megadixel > Digora > VistaScan	<0.001
Lead	<0.001	Without > with	<0.001
Exposure time	<0.001	Standard > half > one-tenth	<0.001
	<0.001	Digora, Megadixel	<0.001
	<0.001	Digora, VistaScan, Megadixel	<0.001
	<0.001	Standard, half	<0.001