NiTi arch wires apply a steady and lightweight forces throughout the procedure which successfully move the tooth The two rows of tooth in the mouth curve. Orthodontic archwires run the size of those dental arches, normally called arcades. Modulus of elasticity - It is the ratio concerning tension and pressure. https://emilianowqjct.blogpayz.com/33379211/5-easy-facts-about-round-steel-wire-described