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| Application mode | Group | Dentin surface treatment | SBS |
|---|---|---|---|
| Self-etch | SE1 | A | 10.61 ± 2.64 |
| SE2 | A SRD | 8.84 ± 1.67 | |
| SE3 | A SRD A | 11.43 ± 2.65 | |
| Etch-and-rinse | ER1 | EA | 10.61 ± 2.62 |
| ER2 | EA SRD | 9.30 ± 3.56 | |
| ER3 | EA SRD A | 10.80 ± 3.83 | |
| ER4 | EA SRD EA | 16.22 ± 3.54* |
The asterisk indicates a statistically significant difference (p < 0.05).
SBS, shear bond strength; A, adhesive; S, salivary contamination; R, rinsing; D, drying; E, etching.
