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
Which of the following wires is better choice if alignment is needed 
Select and explain. 
A. Nitinol wire, B. TMA wire, C. Elgiloy wire, D. Stainless steel wire
A: Nitinol wire
Answer: A: Nitinol wire 
Explanation: None