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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