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Table 1 Bond strength mean values (MPa) and surface roughness (Ra) mean values (µm) and standard deviations () in the experimental groups

From: Evaluation of shear strength of brackets with different dental composites and enamel roughness

Composite

Shear bond strength

Surface roughness

Initial Ra (µm)

Final Ra (µm)

Transbond XT

12.57 (2.76) A

0.21 (0.04) Aa

0.33 (0.02) Ab

Filtek Z100

12.72 (2.65) A

0.22 (0.03) Aa

0.32 (0.02) Ab

Filtek P90

6.13 (2.02) C

0.21 (0.03) Aa

0.31 (0.01) Ab

Venus Diamond

9.31 (1.36) B

0.22 (0.04) Aa

0.31 (0.01) Ab

  1. Different uppercase letters in column and lowercase letters in row for surface roughness indicate statistically significant difference (p > 0.05)