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Table 2 Means (standard deviation) of shear bond strength in megapascal (MPa)

From: Surface topography and bond strength of CAD–CAM milled zirconia ceramic luted onto human dentin: effect of surface treatments before and after sintering

Treatment Moment of treatment
Before sintering After sintering
C 0.04 ± 0.11 Aa 0.04 ± 0.11 Aa
AO 1.79 ± 0.51 Ab 3.15 ± 1.47 Bb
GB 1.27 ± 0.65 Ab 3.37 ± 1.00 Bb
HA 1.14 ± 0.86 Ab 2.21 ± 0.55 Bb
  1. * Different letters indicate statistical difference (p < 0.05), where capital letters are based on comparison among rows and lowercase letters comparison among columns