Evaluation of Dual-Cure Resin Cement Polymerization under Different Types and Thicknesses of Monolithic Zirconia

Table 4

Mean Vickers hardness numbers for dual-cure resin cement at different measurement depths indirectly irradiated under PRZ and PRA zirconia disks and directly light activated control group.

Measurement Depth (μm)	Zirconia type		Control	p
	PRZ	PRA
	Mean±SD	Mean±SD	Mean±SD
100	62.53±7.53	66.46±8.45	124.22±5.42	<0.001
300	56.04±6.40	60.11±6.55	119.20±5.77	<0.001
500	46.31±7.01	52.88±6.81	100.43±3.75	<0.001
p	<0.001	<0.001	<0.001
^‡100 vs 300	<0.001	<0.001	0.051
^‡100 vs 500	<0.001	<0.001	<0.001
^‡300 vs 500	<0.001	<0.001	<0.001

One-way ANOVA.  ^‡Bonferroni-corrected p-values.
PRZ: Prettau Zirconia; PRA: Prettau Anterior.
p<0.001.