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
Over-trituration of silver alloy and mercury: 
Select and explain. 
A. Reduces contraction, B. Increases the strength of lathe-cut alloy but reduces the strength of spherical alloy amalgam, C. Decreases creep, D. Gives al dull and crumbly amalgam
B: Increases the strength of lathe-cut alloy but reduces the strength of spherical alloy amalgam
Answer: B: Increases the strength of lathe-cut alloy but reduces the strength of spherical alloy amalgam 
Explanation: None