Restorative & Materials · single question
The phenomenon where different light sources produce different color perceptions is called ______________.
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Correct answer: E. Metamerism
Metamerism: two objects match in color under one light source but differ under another. Critical in dental shade matching u2014 a restoration that matches under operatory light may look different in sunlight. Fluorescence is light emission; opalescence is dual-color appearance.
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