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
Blue vire technology is used in 
Select and explain. 
A. VorTEX, B. VorTEX Blue, C. D3XF, D. Twisted Blue
B: VorTEX Blue
Answer: B: VorTEX Blue 
Explanation: VorTEX uses M wire NiTi