Table I.

Mean values, standard deviations and confidence intervals for means of color coordinates measured in the evaluated teeth.

TOOTH TYPE	COLOR COORDINATES
	L* ± SD	a* ± SD	b* ± SD	C* ± SD	h* ± SD
INCISORS 95% CI	85.3±3.3 (84.7–85.9)	−1.5±0.7 (−1.6 – −1.4)	16.3±11.4 (14.9–18.6)	15.4±3.4 (14.8–16.0)	96.1±6.4 (94.9–97.1)
CANINES 95% CI	81.7±3.8 (81.0–82.3)	0.4±1.6 (0.2–0.7)	24.4±5.6 (23.4–25.4)	24.4±5.6 (23.4–25.4)	89.7±3.5 (89.2–90.4)
MOLARS 95% CI	79.7±4.3 (78.8–80.4)	0.9±3.8 (0.4–1.7)	29.1±4.9 (28.2–30.0)	29.0±4.9 (28.1–29.9)	88.9±2.7 (88.4–89.4)