Table 4.
Mean (M) and standard deviation (SD), expressed as M (±SD), and 95% confidence interval for mean (95% CI) of color change (ΔE, %) for the different resin composites as a function of the polishing protocol (P1-P4) (n = 5, for each group).
| Polishing Protocol | Filtek™ Bulk Fill M (±SD) [95% CI] |
Fill-Up™ M (±SD) [95% CI] |
Filtek™ Z250 M (±SD) [95% CI] |
|---|---|---|---|
| P1 | 10.9 (±0.5) aA [10.3–11.6] |
11.2 (±0.8) aA [10.1–12.3] |
10.4 (±1.2) aA [8.8–11.9] |
| P2 | 9.2 (±0.8) bA [8.3–10.2] |
11.0 (±0.5) aB [10.3–11.6] |
8.2 (±0.2) bC [7.9–8.4] |
| P3 | 8.5 (±0.8) cA [7.5–9.5] |
10.7 (±0.6) aB [9.9–11.5] |
7.2 (±0.4) bA [6.6–7.7] |
|
P4
(control) |
13.2 (±0.6) dAB [12.4–14.0] |
14.6 (±0.4) bA [10.0–15.1] |
12.5 (±0.7) cB [11.7–13.4] |
Different lowercase letters indicate significant differences between means in the same column and different uppercase letters indicate significant differences between means in the same row (Tukey HSD post-hoc test, p < 0.05).