The improved superelastic Ni-Ti alloy wire in orthodontic treatment: Characteristics and clinical application

Orthodontists usually use Ni-Ti alloy wires for leveling and aligning of teeth without bending the wire. However, Japanese Ni-Ti alloy wires, which are bendable and retain their unique characteristics even after bending, have been developed. After several decades, improved superelastic Ni-Ti alloy wires (ISW) were introduced and have been found to be useful in the leveling stage owing to their superelasticity, shape-memory effect, and low hysteresis. Moreover, despite its low stiffness, the ISW has been used in all treatment stages and in many cases, except in patients with a strong occlusal force and immediately before and after orthognathic surgery.

Source: Seminars in Orthodontics - December 23, 2022 Category: Dentistry Authors: Ikuo Yonemitsu, Shusaku Ozaki, Takashi Ono Source Type: research