Dental The American Dental Association (ADA) Specification No. 5 for Dental Casting Gold Alloys specifies : A Minimum total gold-plus-platinum-metals -75 (wt%) B Minimum total gold-plus-platinum-metals -25 (wt%) C Minimum total gold-plus-platinum-metals -55 (wt%) D Minimum total gold-plus-platinum-metals >75 (wt%) 💡 Explanation The American Dental Association (ADA) Specification No. 5 for Dental Casting Gold Alloys specifies : ✓ Correct Answer: A. Minimum total gold-plus-platinum-metals -75 (wt%)