Table 3.
Means (standard deviation) of surface roughness (Ra) of aged samples (2-way ANOVA, Bonferroni, P<.05).
| Initial | Post-aging | Post-bleaching | 15 days after bleaching | |
|---|---|---|---|---|
| Charisma | 0.18 (0.1) a,A | 0.32 (0.1) ab,AB | 0.35 (0.1) b,A | 0.41 (0.2) b,A |
| Filltek Supreme Z350 | 0.12 (0.1) a,A | 0.12 (0.0) a,A | 0.53 (0.1) b,A | 0.51 (0.1) b,A |
| Heliomolar | 0.27 (0.2) a,A | 0.42 (0.1) a,B | 1.35 (0.4) b,B | 1.33 (0.2) b,B |
*
Different letters, lower case letters on the line and capital letters in the column indicate statistically significant difference (P<.05).