Table 3.
Mean and standard deviation of color alteration values (∆E) of restorative materials at 1, 14, and 30 days of daily immersion in various liquids.
| Mean ± SD | P1 | ||||
|---|---|---|---|---|---|
| Filtek Z250 | Voco x-tra Base | Beautifil Flow Plus | Beautifil II | ||
| 1 day | 1.17 ± 0.6a, A | 1.81 ± 1.29ab, A | 2.39 ± 1.04bc,A | 3.01 ± 0.36c,A | 0.001 |
| 14 days | 7.31 ± 1.9a, B | 8.73 ± 1.38a,B | 12.59 ± 1.81b,B | 18.05 ± 3.78c,B | 0.001 |
| 30 days | 17.26 ± 3.97a,C | 25.95 ± 2.56b,C | 26.28 ± 1.73b,C | 35.18 ± 2.65c,C | 0.001 |
| P2 | 0.001 | 0.001 | 0.001 | 0.001 | |
1One-way ANOVA, 2 Repeated-measures ANOVA. Different small letters in the same rows and different capital letters in the same column show statistical importance (P < 0.05).