Table 1. Means and standard deviation of surface gloss, microhardness (%), and surface roughness of the experimental groups (2-way ANOVA, Bonferroni test, p < .05).
| Toothpaste | Charcoal | Turmeric | Banana peel | CP16% | ||
|---|---|---|---|---|---|---|
| (GU | T1 | 0,06 (1,22) aA | 1,04 (1,73) aA | -4,37 (2,63) bA | -3,24 (2,22) bA | -3,83 (3,22) b |
| T2 | 0,16 (1,11) acA | 1,71 (2,38) cA | -2,96 (2,64) abA | -2,84 (6,3) abA | ||
| ΔKHNr | T1 | 46,58 (53,31) aA | 37,31 (21,66) acA | 5,47 (27,94) bA | 8,32 (18,93) bcA | -14,46 (23,39) b |
| T2 | 55,52 (30,50) aA | 53,06 (30,72) aA | 2,85 (23,94) bA | 0,44 (25,60) bA | ||
| Ra | Baseline | 0,12 (0,02) aA | 0,12 (0,04) aA | 0,13 (0,04) aA | 0,14 (0,06) aA | 0,15 (0,06) aA |
| T1 | 0,44 (0,13) aB # | 0,32 (0,11) bB # | 0,17 (0,06) cA | 0,14 (0,09) cA | 0,15 (0,09) cA | |
| T2 | 0,38 (0,18) aB # | 0,42 (0,25) aC # | 0,13 (0,06) bA | 0,17 (0,10) bA |
Different letters, lowercase on the line and uppercase on the column, indicate statistically significant difference (p < .05).