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
In amalgam filling there is a wide buccolingual space, the wedge technique used should be (OR) If you are going to restore lower molar with amalgam which is having cavity with proximal box wide buccolingually which wedging technique will you use 
Select and explain. 
A. Double wedge, B. Wedge wedge, C. Single wedge, D. No wedge
A: Double wedge
Answer: A: Double wedge 
Explanation: None