Effect of Repeated Firings and Thickness on Optical Properties of Variable Preshaded and Shaded Novel Translucent Zirconia Blocks

Table 2

Results of ANOVA for changes in color coordinates after repeated firings (TP).

Effect	Pillai value		Numerator df	Denominator df	Sig.
Number of firing	0.833	401.316	2	161	<0.001
Number of firing block type	0.086	3.646	4	324	0.006
Number of firing shade type	0.019	1.553	2	161	0.215
Number of firing thickness	0.157	6.904	4	324	<0.001
Number of firing block type shade type	0.144	6.292	4	324	<0.001
Number of firing block type thickness	0.171	3.796	8	324	<0.001
Number of firing shade type thickness	0.061	2.555	4	324	0.039
Number of firing block type shade type thickness	0.071	1.497	8	324	0.157

ANOVA, indicates a significant difference at repeated measurements.