Table 3. The mean microtensile bond strengths of the different experimental groups.

Experimental groups	MPa ± SD
Single Bond Universal	31.45 ± 4.02ab
Gluma Bond Universal	34.13 ± 4.63b
Prime&Bond Elect	28.15 ± 3.81ac
Cavity Conditioner	25.85 ± 3.40c
Control	17.35 ± 3.07d

Total number of specimens for each experimental group (n = 50).

SD, standard deviation.

Same superscript small letter indicates no statistically significant difference in the column.