Research Article
[Retracted] Effects of Different Polishing Systems on Surface Roughness and Crystal Structure of Zirconia
Table 3
Comparison between the same subgroups in Y group and T group.
| | Group | Surface roughness (nm) | Group | Surface roughness (nm) | Group | Surface roughness (nm) |
| | Y20 | | Y40 | | Y60 | | | T20 | | T40 | | T60 | | | value | 0.782 | value | 5.896 | value | 2.853 | | value | 0.455 | value | <0.001 | value | 0.031 |
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