The Flexure Modulus of Elasticity of Orthodontic Wires

Author:

Goldberg A.J.1,Morton J.2,Burstone C.J.2

Affiliation:

1. Department of Restorative Dentistry

2. Department of Orthodontics, School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut 06032

Abstract

The flexure moduli of elasticity of solid and multi-stranded orthodontic wires were determined. Results for the solid wires approximated their tensile values, but the differences were statistically significant for the stainless steel, chromium-cobalt-nickel, and nickel-titanium alloys. The flexure moduli of the multi-stranded wires ranged from 0.89 to 5.11 x 106 psi, and were dependent on the direction of activation.

Publisher

SAGE Publications

Subject

General Dentistry

Reference12 articles.

1. Crandall, S.H. and Dahl, N.C.: An Introduction to the Mechanics of Solids , New York: McGraw-Hill , 1959, pp. 189, 244, and 290.

2. Comparison of nickel-titanium and beta titanium wire sizes to conventional orthodontic arch wire materials

3. Thurow, R.C. : Edgewise Orthodontics, 4th ed. St. Louis: C.V. Mosby, 1982, pp. 34-38.

4. Three-dimensional large displacement analysis of orthodontic appliances

5. Bending Deformation Studies of Orthodontic Wires

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