Effects of Protective Resin Coating on the Surface Roughness and Color Stability of Resin-Based Restorative Materials

Table 2

Three-way ANOVA table for interactions of Ra values.

Interactions	Sum of squares	df	Mean square	𝐹	𝑃
RM-RC	0.381	2	0.190	10.824	<0.001
RM-UV	0.622	2	0.311	17.677	<0.001
RC-UV	0.269	1	0.269	15.266	<0.001
RM-RC-UV	0.136	2	0.068	3.867	=0.028