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
Method for slow tooth separation: 
Select and explain. 
A. Use of 26 gauge spring wire around proximal contacts, B. Use of soft brass wire around contacts, C. Use of oversized resin, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Other than these methods, elastics are also used around contact points.