Color / Shade / Esthetics

Question 1

What is the most appropriate term for tooth whitening?

Answer 1

desaturation - decrease in chroma combined with increase in lightness

Question 2

What factors give gingiva its color?

Answer 2

1) epithelial thickness
2) degree of keratinization
3) pigmentation
4) vascularity

Question 3

What do the three numbers in Vita 3D-Master tabs mean?

Answer 3

Value: 0 (high) - 5 (low)
Hue: L (left/yellow), M (middle), R (right/red)
Chroma: 1 (low) - 3 (high)

Question 4

Difference between CIE LAB (1976) and CIE DE2000 (2013)?

Answer 4

Chroma and hue weighting functions, which account for the non-uniformity of human color perception (human eyes highest tolerance for colors in the 560 nm yellow-green range)