Effect of Die Spacer Thickness on the Microshear Bond Strength of CAD/CAM Lithium Disilicate Veneers

Table 2

Distribution of failure mode in µSBS among the study groups.

	20 microns (n = 6)	40 microns (n = 6)	100 microns (n = 6)	Chi-square ( value)
Cohesive	2 (33.3%)	3 (50%)	2 (33.3%)	X^2 = 0.536 (0.970)
Adhesive	1 (16.7%)	1 (16.7%)	1 (16.7%)
Mixed	3 (50%)	2 (33.3%)	3 (50%)