This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
The occlusal surface of an abutment tooth with acrylic
veneering should be 
Select and explain. 
A. In acrylic, B. In porcelain fused to metal, C. In metal 0.5 mm thick, D. In metal 0.25 mm thick
C: In metal 0.5 mm thick
Answer: C: In metal 0.5 mm thick 
Explanation: None