Effect of Surface Treatment with Alkaline Agents at Two Different Temperatures on Microshear Bond Strength of Zirconia to Composite Resin

Table 3

Pairwise comparisons of the groups regarding μSBS.

Group (I)	Group (J)	Mean difference	value
Control	NaOH	-5.75	<0.001
	NaOH+ heat	-6.30	<0.001
	Zr(OH)4	-10.03	<0.001
	Zr(OH)+ heat	-10.35	<0.001
NaOH	Control	5.75	<0.001
	NaOH+ heat	-.0.54	0.854
	Zr(OH)4	-4.27	<0.001
	Zr(OH)+ heat	-4.60	<0.001
NaOH+ heat	Control	6.30	<0.001
	NaOH	0.54	0.854
	Zr(OH)4	-3.73	<0.001
	Zr(OH)4+ heat	-4.05	<0.001
Zr(OH)4	Control	10.03	<0.001
	NaOH	4.27	<0.001
	NaOH+ heat	3.73	<0.001
	Zr(OH)4+ heat	-.0.32	0.975
Zr(OH)+ heat	Control	10.35	<0.001
	NaOH	4.60	<0.001
	NaOH+ heat	4.05	<0.001
	Zr(OH)4	0.32	0.975