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. Author manuscript; available in PMC: 2007 Oct 8.
Published in final edited form as: J Prosthet Dent. 2007 Sep;98(3):175–185. doi: 10.1016/S0022-3913(07)60053-5

Table I.

Means (standard deviations) of CIE L*, a*, and b* values for Vita Lumin shade guide

Shade L* a* b*
A1 82.4 (1.9) −1.4 (0.4) 14.3 (0.7)
A2 79.1 (1.1) 0.6 (0.3) 19.2 (0.5)
A3 77.6 (0.9) 1.0 (0.3) 21.0 (0.9)
A3.5 73.4 (1.2) 2.3 (0.1) 24.5 (0.6)
A4 69.0 (0.9) 2.4 (0.6) 25.4 (0.8)
B1 80.1 (2.3) −1.9 (0.5) 12.6 (0.9)
B2 80.1 (2.2) −1.0 (0.5) 18.2 (1.0)
B3 74.8 (1.4) 0.9 (0.5) 25.0 (0.9)
B4 75.5 (2.7) 1.0 (0.2) 26.1 (1.8)
C1 76.6 (0.9) −0.7 (0.2) 14.2 (0.8)
C2 72.7 (0.4) 0.2 (0.3) 20.0 (0.4)
C3 70.5 (0.9) 0.8 (0.1) 19.1 (0.5)
C4 64.2 (1.2) 2.6 (0.2) 22.1 (0.5)
D2 74.9 (1.5) −0.4 (0.4) 13.2 (0.8)
D3 74.7 (2.6) 1.1 (0.4) 18.3 (0.9)
D4 73.5 (0.7) −0.6 (0.2) 21.1 (0.5)