Simplified Surface Treatments for Ceramic Cementation: Use of Universal Adhesive and Self-Etching Ceramic Primer

Table 3

Means (MPa), standard deviations, and confidence intervals of shear bond strength for each group.

Groups	Shear bond strength (mean)	Standard deviation	Confidence interval
H/S/A		2.50	7.81-11.39
H/S		3.28	7.89-12.57
H/S/UA		2.02	5.98-8.84
H/UA		1.32	3.33-5.23
MBEP/A		1.97	7.59-10.41
MBEP		2.75	4.21-8.15

Values followed by different letters present statistical difference (p<0.05).