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Results of color alteration (ΔE) for the composite resins tested.
| Composite resins | Mean (±SD) | Homogeneous groups a | ||
|---|---|---|---|---|
| Filtek Z350 XT | 5.39 (±2.48) | A | ||
| Amaris | 3.89 (±2.10) | B | ||
| Grandio SO | 3.75 (±2.46) | B | C | |
| Filtek P90 | 3.36 (±1.71) | C | ||
Different letters mean significant differences among groups (p < .05).
