Table 1. Microtensile Bond Strength (MPa) values (means and standard deviations) of the different experimental groups (*) .
| Surface treatment | SbU Self-etch | SbU Etch-and-rinse | ||
|---|---|---|---|---|
| 20°C | 37°C | 20°C | 37°C | |
| No (control) | 36.14 (6.63)A | 32.92 (6.19)A | 30.10 (5.93)a | 33.78 (4.08)a |
| Sodium bicarbonate | 65.45 (4.46)B | 59.53 (11.48)B | 49.65 (2.38)b,c | 51.44 (7.62)c,d |
| Aluminum oxide | 37.46 (13.42)A | 49.67 (7.2)C | 44.26 (8.62)b | 55.08 (3.74)d |
(*)
Similar capital letters (self-etch) and lowercase letters (etch-and-rinse) are not statistically significant (p<0.05)