Table 8. Comparison between individual subgroup among study materials for surface translucency.
| Study groups | VM | LU | EN | SH | CU | P value$ |
|---|---|---|---|---|---|---|
| Stained-water | 1.12 (0.41) | 8.4 (1.76) | 7.09 (1.45) | 9.4 (1.35) | 9.5 (0.66)* | < .01 |
| Stained-acid | 1.07 (0.2) | 9.5 (1.11)* | 6.5 (0.55) | 9.2 (1.07) | 10.1 (0.99)* | < .01 |
| Polished-water | 11.52 (0.45)* | 11.02 (0.99)* | 10.1 (0.43)* | 12.3 (0.52)* | 11.51 (0.67) | < .01 |
| Polished-acid | 11.009 (0.41)* | 10.05 (1.021)* | 9.91 (0.37) | 11.3 (0.65)* | 11.6 (0.27) | < .01 |
| Overall | 6.1(0.36) | 9.7 (1.22) | 8.4 (2.8) | 10.55 (0.89) | 10.66 (0.64) | < .01 |
*denote significant effect of simulated toothbrushing (t test).
§showing effect of material type using ANOVA (P value).