Dental When porcelain is baked against metal, it should possess a A high fusion expansion B high fusion temperature C linear coefficient of thermal expansion less than, but close to that of metal D linear coefficient of thermal expansion greater than, but close to that of the metal 💡 Explanation When porcelain is baked against metal, it should possess a ✓ Correct Answer: C. linear coefficient of thermal expansion less than, but close to that of metal