Table 5 Mean values of color change of different filling materials after exposure to distilled water
Time-line | Micro-hybrid | Nano-hybrid | Glass-ionomer | ||||||
|---|---|---|---|---|---|---|---|---|---|
∆L | ∆a | ∆b | ∆L | ∆a | ∆b | ∆L | ∆a | ∆b | |
Day 7 | − 5.0 ± 2.68 | 0.78 ± 0.44 | − 0.8 ± 3.92 | 1.02 ± 0.3 | 0.92 ± 0.08 | 3.3 ± 0.55 | 0.54 ± 6.31 | 0.02 ± 0.69 | − 0.12 ± 2.13 |
Day 30 | 1.24 ± 2.15 | 2.2 ± 0.47 | 0.88 ± 1.13 | − 2.2 ± 6.44 | 2.18 ± 1.33 | 2.4 ± 2.65 | 0.54 ± 6.31 | 0.02 ± 0.69 | − 0.12 ± 2.13 |