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Three-dimensional large displacement analysis of orthodontic appliances |
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| Authors: | Joseph C. DeFranco Herbert A. Koenig Charles J. Burstone |
| Affiliation: | Department of Mechanical Engineering, The University of Connecticut, Storrs, CT 06268, U.S.A. |
| Abstract: | An incremental technique for predicting the nonlinear load-displacement characteristics of orthodontic appliances is developed. The analysis is based upon a three-dimensional finite-difference formulation which permits the treatment of appliances that have arbitrary configurations and non-uniform material and cross-sectional properties. The effects of intermediate loading and attached springs may also be studied. The results show the activated configurations and the associated force-couple systems for three appliances that are activated to the yield point. The incremental analysis results are compared to those of the linear solution for each case. |
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