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
Edge wise bonded brackets are used 
Select and explain. 
A. On incisal edges of anterior teeth, B. To obtain edge to edge occlusion, C. With rectangular arch wire, D. With labial. arch wires at incisal and gingival edges of each bracket
C: With rectangular arch wire
Answer: C: With rectangular arch wire 
Explanation: None