Greening refers to:
Correct Answer: Greenish discolouration of porcelain due to escaping of silver vapours
Description: Discoloration of the porcelain near the cervical region of the metal-ceramic prosthesis has been reported to occur when a silver-containing alloy is used as the substrate.
Color changes included green, yellow-green, yellow-orange, orange and brown hues.
This discoloration phenomenon has generally been called “greening.”
Ref: Phillip’s Science of Dental Materials ed 12 pg 380
Category:
Dental
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