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Table 3 Pairwise comparisons of ARI score in groups by the Mann-Whitney test and Bonferroni adjustment

From: Effect of different surface treatments on shear bond strength of ceramic brackets to old composite

Groups P-value
Control and grinding < 0.001
Control and laser 0.008
Control and sandblasting < 0.001
Grinding and laser 0.001
Grinding and sandblasting 0.817
Laser and sandblasting 0.001