. 2017 Mar;14(2):69–75.

Table 2:

Mean surface roughness (Ra, μm) and Vickers microhardness (kg/mm²) values and standard deviations for the tested materials and polishing procedures

Composite resins	Surface roughness values			Vickers microhardness values

	Group C	Group W	Group D	Group C	Group W	Group D
Aelite Aesthetic Enamel	0.02±0.01^Aa	0.11± 0.01^Ab	0.15± 0.01^Ac	61.00± 2.06^Aa	75.68± 2.09^Ab	94.37± 2.99^Ac
Aelite All Purpose Body	0.04±0.01^Aa	0.13± 0.02^Ab	0.16± 0.01^Ac	63.97± 2.54^Aa	78.20± 2.23^Ab	96.78± 2.10^Ac
Grandio	0.05±0.01^Aa	0.32± 0.02^Bb	0.43± 0.02^Bc	115.09±6.56^Ba	163.75± 2.86^Bb	199.92± 4.47^Bc
Polofil Supra	0.03±0.01^Aa	0.13±0.01^Ab	0.17±0.01^Ac	61.23± 1.92^Aa	76.15± 2.33^Ab	96.20± 3.75^Ac

C: Control, W: Wet finishing/polishing, D: Dry finishing/polishing

Means followed by different lowercase letters show statistically significant differences between them, as compared in rows.

Means followed by the same uppercase letters do not show statistically significant differences between them, as compared in columns.