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 most common aspect in gold inlay and amalgam cavity design is 
Select and explain. 
A. Axiopulpal bevel, B. Gingival bevel, C. Occlusal bevel, D. Axiofacial bevel
B: Gingival bevel
Answer: B: Gingival bevel 
Explanation: The gingival bevel removes the unsupported enamel and compensates for casting shrinkage. It is a feature of resistance form. Reverse bevel is given in inlay for lap sliding fit. It locks the restoration and prevents proximal displacement.