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. 2015 Sep 7;2015:243615. doi: 10.1155/2015/243615

Table 2.

Means and standard deviations for dentin roughness parameters.

Groups Dentin roughness parameters (μm)
R a R z R q
G1 0.10 ± 0.03a 0.62 ± 0.14a 0.12 ± 0.04a
G2 3.35 ± 0.39e 16.31 ± 1.97e 4.15 ± 0.52e
G3 1.48 ± 0.28b 7.12 ± 1.07b 1.78 ± 0.32b
G4 3.53 ± 0.68e 16.27 ± 3.36e 4.29 ± 0.82e
G5 2.07 ± 0.19b 10.52 ± 0.90b 2.65 ± 0.32b
G6 1.91 ± 0.27b 9.08 ± 1.59b 2.35 ± 0.35b
G7 1.58 ± 0.17b 7.51 ± 0.87b 1.90 ± 0.21b

Values followed by the same letters in column are statistically similar (p > 0.05).