Table 1.

Improvements from baseline shades.

	Active (V34CC)	Placebo
Vita shade T = 0 min	3.07 (p < 0.001)	0.03 (NS)
Vita shade T = 30 min	3.10 (p < 0.001)	0.0 (NS)
Vita shade T = 60 min	2.90 (p < 0.001)	0.0 (NS)
L (whiteness) T = 0 min	0.56 (p = 0.028)	0.37 (NS)
L (whiteness) T = 30 min	1.28 (p = 0.012)	−0.29 (NS)
L (whiteness) T = 60 min	0.82 (p = 0.063, NS)	−0.66 (NS)
b* (yellowness) T = 0 min	−0.64 (p < 0.001)	0.23 (NS)
b* (yellowness) T = 30 min	−1.02 (p < 0.001)	0.21 (NS)
b* (yellowness) T = 60 min	−0.96 (p < 0.001)	0.22 (NS)

Data show mean changes from baseline for n = 30 subjects per group. NS = not significant.