1
Light
• Electromagnetic radiation
-Wavelength
-Amplitude
Photons
Beam
- Reflection
- deflection
2
Value
Chroma
Hue
Three variables
of colour
3
Chroma Hue Value
4
Transparencey
Translucency
Opacity
5
Dentin is more opaque then enamel
Enamel is more translicent than dentin
The colour of dentin is the same – the difference is in hue
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11
Translucency
1 2 3
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8
9
10
Opalescency
11
Mamelons
Opalescency
Halo effect
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Optical size
14
15
Surface texture
Univerzální dentin
Chromatic chart
Age Tooth Date
Surface texture, finishing
Polishing