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
Metal ceramic restorations fail usually due to fracture of
the cervical material. This can be avoided if: 
Select and explain. 
A. Occlusal forces are minimal, B. Casting is so designed as to reduce stress on ceramic material, C. Metal is not more than 0.5 mm thick, D. Ceramic is at least 1.5 mm thick
B: Casting is so designed as to reduce stress on ceramic material
Answer: B: Casting is so designed as to reduce stress on ceramic material 
Explanation: None