Dental Greening refers to: A Greenish discolouration of porcelain due to escaping of silver vapours B Also known as wet strength of gypsum product C Observed in silica bonded investments due to drying of colloidal silica gel D All of the above 💡 Explanation Greening refers to: ✓ Correct Answer: A. Greenish discolouration of porcelain due to escaping of silver vapours