Table 2 Groups according to the polishing system utilized
Group | Polishing procedure | Specimen distribution | |
|---|---|---|---|
Roughness and microhardness | SEM | ||
G1 | Mylar strip (control) | 10 | 1 |
G2 | Felt disc + diamond paste (Diamond Flex and Diamond excel) | 10 | 1 |
G3 | Sandpaper discs (Diamond Pro) | 10 | 1 |
G4 | Silicone tips (DFL polishers) | 10 | 1 |