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    A clinically relevant viscoelastic FEA model of the mandible simulating the effect of a Herbst appliance

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    Author
    Heidari Zadi, Zahra
    Advisor
    Pae, Eung-Kwon
    Date
    2018
    Type
    dissertation
    
    Metadata
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    Abstract
    As a powerful numerical solution to partial differential equations with sophisticated boundary conditions, Finite element analysis (FEA) has been vastly used to solve engineering problems. This tool also found to be useful in predicting load-strain patterns and biological failures in mechanics of dental applications as well. In orthodontics field, several studies addressed the benefits in use of FEM models to predict stresses and strains in jaws. These studies mostly considered only the linear elastic phase which corresponds to the immediate response of the bone to the loading during functions. On the other hand, it is the prediction of long-term stress and strain distributions that are useful for clinical purposes. Therefore, it is suggested in this study that the viscoelastic properties of the bone need to be incorporated in the analysis to render long-term stress and displacement patterns. In this research, for the first time to our knowledge, effects of viscoelasticity of the mandibular bone are incorporated into finite element analyses of force distribution and displacement of anatomical structures in response to a Herbst appliance. Our models clearly demonstrate how displacements of the mandible occur in accordance with distributions of force vectors.
    Description
    University of Maryland, Baltimore. Biomedical Sciences-Dental School. M.S. 2018
    Keyword
    Herbst
    viscoelastic
    Finite Element Analysis
    Mandible
    Orthodontic Appliances, Functional
    Identifier to cite or link to this item
    http://hdl.handle.net/10713/7936
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    Theses and Dissertations School of Dentistry
    Theses and Dissertations All Schools

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