Table 1: Shear bond strength (MPa) of a pit-and-fissure sealant to enamel treated with different protocols.
Sample | Mean (MPa) | Standard Deviation | 95% Confidence Interval |
---|---|---|---|
37 % Phosphoric acid | 11.03 | 4.07 | 9.51 – 12.55 |
Er:YAG 80 mJ/pulse 2 Hz. | 5.08 | 2.11 | 4.26 – 5.90 |
Er:YAG 120 mJ/pulse 10 Hz. | 6.18 | 2.54 | 5.20 – 7.17 |
Er:YAG 140 mJ/pulse 2 Hz. | 5.13 | 2.65 | 4.04 – 6.23 |