Table 3.

Multiple comparisons of the fracture load of zirconia crowns among various groups.

	AmannGirrbach	Cercon HT	Cercon XT	Vita YZ XT
AmannGirrbach	-	<0.0001 *	0.748	0.961
Cercon HT	<0.0001 *	-	<0.0001 *	<0.0001 *
Cercon XT	0.748	<0.0001 *	-	0.135
Vita YZ XT	0.961	<0.0001 *	0.135	-

Statistical analysis was performed with Dunnett’s T3 test. * Significant differences at p value < 0.05.