Force Generation From Orthodontic Appliances

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Abstract
The design of orthodontic archwires often incorporates complex bends, loops and twists to generate force fields. The determination of the magnitude and direction of these forces requires the solution of three-dimensional problems of geometric nonlinearity. To solve these problems, a computer program is developed based on a combined incremental/iterative algorithm. The findings are verified by comparison with analytic solutions of nonlinear engineering problems, as well as by laboratory testing of orthodontic archwires.

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