Restorative & Materials · single question
Which shade modification CANNOT be independently achieved through dental treatment?
Show answer and explanation
Correct answer: C. Increasing hue
Hue (the basic color family) cannot be 'increased' — it is a fixed spectral property of the tooth. You can select a different hue in restorations, but you cannot add 'more hue' to existing tooth structure.
- A. Chroma (saturation/intensity) can be increased through more saturated shade selections or staining techniques.
- B. Value (lightness) can be increased (lightened) through bleaching or higher-value shade selection.
- C. CORRECT. Hue (the basic color — which wavelength family the tooth belongs to) cannot be independently increased. Hue in teeth is relatively fixed and you can only select/match a different hue in restorations, not add 'more hue.'
- D. Value can be decreased (darkened) through staining techniques or lower-value shade selection.
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