Question

Which of the following represents the most recently introduced beta titanium alloy utilized in orthodontic treatment?

• A. TMA
• B. CNA
• C. Double Flex
• D. Beta III Titanium

Hint:

CNA is an advanced beta titanium archwire with improved springback and smoother surface compared to conventional TMA.

Answer 1

The Correct Option is B

Step 1: Understanding Beta Titanium Alloys in Orthodontics.
Beta titanium alloys are widely used in orthodontics due to their favorable properties such as moderate stiffness, good formability, weldability, and absence of nickelThey provide better springback compared to stainless steel and are useful in finishing stages
Step 2: Evaluation of the Given Alloys.
(A) TMA: Titanium Molybdenum Alloy (TMA) was one of the earliest beta titanium wires introduced by BurstoneIt is not the most recent
(B) CNA: CNA (Connecticut New Archwire) is a more recently introduced beta titanium alloyIt provides improved springback, smoother surface finish, and enhanced mechanical properties compared to conventional TMA
(C) Double Flex: It is a multistranded stainless steel wire, not a beta titanium alloy
(D) Beta III Titanium: An earlier beta titanium variant, but not the most recently introduced
Step 3: Conclusion.
Therefore, CNA represents the most recently introduced beta titanium alloy used in orthodontic treatment