Which of the following statement is true as far as spring back bending of super-elastic NiTi and non-super elastic NiTI wires is concern?

A. Spring back in bending is much greater for superelastic NiTi wires than non-superelastic NiTi

B. Spring back in bending is much lesser for superelastic NiTi wires than non-superelastic

C. Spring back in bending is same for superelastic Nill wires as well as non-superelastic NiTi wires

D. No comparison can be made between the spring back in bending of these two wires

Correct Answer: Spring back in bending is much greater for superelastic NiTi wires than non-superelastic NiTi

Description: Springback—The amount of elastic strain that a metal can recover when loaded to and unloaded from its yield strength; an important property of orthodontic wires. Reference: Phillips 12th ed page no 396

Category: Dental

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