. 2017 Oct 25;10(11):1224. doi: 10.3390/ma10111224

Table 1.

Microtensile bond strength values (MPa) means and standard deviation for all experimental groups.

Adhesive	Etch-and-Rinse Mode
Adhesive	0 s	5 s	10 s	p-value
GPB	33.2 ± 3.3 ^a	35.2 ± 4.5 ^a	34.1 ± 2.4 ^a	0.868
SBU	31.8 ± 3.9 ^a	35.4 ± 4.9 ^a	32.1 ± 4.0 ^a	0.105
ABU	32.0 ± 3.1 ^a	31.8 ± 2.6 ^a	23.4 ± 2.2 ^b	<0.001
Adhesive	Self-Etch Mode
Adhesive	0 s	5 s	10 s	p-value
GPB	32.8 ± 4.3 ^a	32.4 ± 2.6 ^a	33.4 ± 1.9 ^a	0.760
SBU	29.0 ± 3.6 ^a	31.1 ± 4.9 ^a	28.2 ± 2.8 ^a	0.226
ABU	17.4 ± 2.6 ^a	22.7 ± 5.5 ^b	22.8 ± 2.5 ^b	0.003

GBU: G-Premio bond; SBU: Single bond universal; ABU: All-bond universal. Different superscript lowercase letters indicate significant differences between rows (p < 0.05); i.e., excluding the premature failure samples and those broken within dentine or with glue covering the binding site.