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. 2019 Mar 31;28(1):19–25. doi: 10.5978/islsm.28_19-OR-02

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