Dental Water quenching a gold alloy casting (within its investment. is done immediately after the dull redness of the button disappears is done to: A Increase the degree of ductility of the casting B Decrease corrosion C Facilitate the easy removal of the casting from its mold D To achieve a desirable surface on the casting 💡 Explanation Water quenching a gold alloy casting (within its investment. is done immediately after the dull redness of the button disappears is done to: ✓ Correct Answer: C. Facilitate the easy removal of the casting from its mold