Metallurgical Properties
Af Temperature~25–35°C
Phase at 37°CAustenite + R-phase
FlexibilityHigh (twisted fiber structure)
Cyclic FatigueSubstantially improved vs ground files
Systems Using R-Phase NiTi (Twisted)
Related Clinical Links
NiTi collections
Clinical use cases
Reviewed by
Dr. Levent Yuksel
DDS · Endodontist
Independently authored and clinically reviewed.