Shear Bond Strength of Colored and Sandblasted Zirconia to Ceramic Veneers Fabricated by the Pressing and Layering Techniques: An In Vitro Study

Table 3

Results of two-way ANOVA for the effect of porcelain-veneering technique and zirconia treatment on phase transformation (%Xm) of zirconia specimens.

Source	Type III sum of squares	df	Mean square	F	P value
Corrected model	0.02^a	5	0.000	3.810	0.027
Intercept	0.041	1	0.041	318.345	0.000
Treatment	90.954	2	4.291	330	0.725
Porcelain	0.002	1	0.002	16.157	0.002
Treatment × porcelain	0.000	2	0.000	1.117	0.359
Error	0.002	12	0.000
Total	0.045	18
Corrected total	2,499.330	17

^aR squared = 0.614 (adjusted R squared = 0.453).