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Mean differences between the 3 groups of teeth for all color coordinates.
| ΔL* | Δa* | Δb* | ΔC* | Δh° | |
|---|---|---|---|---|---|
| I - C 95% CI | 3.6 (2.7–4.6) | −2.0 (−2.3 – −1.7) | −8.1 (−9.9 – −5.5) | −9.0 (−10.1 – −7.9) | 6.4 (5.0–7.5) |
| I - M 95% CI | 5.7 (4.6–6.6) | −2.5 (−3.2 – −1.9) | −12.8 (−14.5 – −10.4) | −13.7 (−14.7 – −12.6) | 7.2 (5.8–8.4) |
| C - M 95% CI | 2.0 (1.0–3.1) | −0.5† (−1.3 – −0.1) | −4.7 (−6.0 – −3.4) | −4.6 (−6.0 – −3.3) | 0.9† (0.1–1.7) |
p >0.05; I: incisors; C: canines; M: molars; CI: confidence interval.
