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
Bevel in class II amalgam filling is given for: 
Select and explain. 
A. Increased retention, B. Increased resistance, C. To prevent microleakage, D. Aesthetic reasons
B: Increased resistance
Answer: B: Increased resistance 
Explanation: None