Table III.
Mean values and standard deviations of roughness (Ra) and results of the Tukey test for the interaction of polishing stages vs materials.
| Experimental Groups |
||
|---|---|---|
| Stages | G1 | G2 |
| S0 (control) | 0.64 (± 0.014) Aa | 0.63 (± 0.009) Aa |
| S1 | 1.40 (± 0.011) Ad | 1.13 (± 0.005) Bd |
| S2 | 1.03 (± 0.007) Ac | 0.95 (± 0.007) Bc |
| S3 | 0.91 (± 0.011) Ab | 0.80 (± 0.014) Bb |
Identical capital letters in the horizontal direction and superscript lower-case letters in the vertical direction indicate similar statistical mean values (p > 0.01).