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 instrument shown in fig is used for 
Select and explain. 
A. Rapid separation, B. Slow separation, C. Not used for separation, D. Depends on force for separation
B: Slow separation
Answer: B: Slow separation 
Explanation: The image shows Orthodontic brass ligature wire which brings about slow separation of teeth not more than 0.5mm.