Fracture Strength of Aged Monolithic and Bilayer Zirconia-Based Crowns

Table 2

Mean fracture strength and Tukey’s test results at 95% significance level.

Experimental group	Fracture strength ()	Std. deviation	Tukey ( = .05)
Polished monolithic (PM)	3492.5	748.21	a
Glazed monolithic (GM)	3344.7	1159.45	a
Bilayered veneered (BL)	2051.8	764.76	b^*

^*Statistical difference among experimental groups ( = .002).