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J.A.G. Sanchez, H.B. Coda, "Concerning the Center of Resistance of a Tooth", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 247, 2015. doi:10.4203/ccp.108.247

Keywords: center of resistance, orthodontia, finite element, biomechanics, ANSYS.

Summary

The concept of center of resistance (CR) is the most important related to tooth movement in orthodontia; however, its existence is an object of debate among the researchers. As CR is an idealized point for two dimensions, some authors affirms that is not possible to extend the concept for an asymmetric body delimited by another elastic body in three dimensions. In this sense, in this research was carried out using a numerical analysis, with ANSYS Workbench, on teeth behavior modelling. The model was discretized using three-dimensional solid elements and the contacts, between the different parts of the model, were generated automatically with ANSYS. The search for the CR was made by applying an external binary in the premolar tooth. The numerical analysis suggested that the CR does not exist and is highly dependent of two factors. The first is the relative flexibility between tooth and the peridontium (PDL) and the second is the PDL stiffness in each of the reference directions.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 247 Concerning the Center of Resistance of a Tooth J.A.G. Sanchez and H.B. Coda Structural Engineering Department, University of São Paulo, São Carlos, Brazil doi:10.4203/ccp.108.247 purchase the full-text of this paper Full Bibliographic Reference for this paper J.A.G. Sanchez, H.B. Coda, "Concerning the Center of Resistance of a Tooth", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 247, 2015. doi:10.4203/ccp.108.247 Keywords: center of resistance, orthodontia, finite element, biomechanics, ANSYS. Summary The concept of center of resistance (CR) is the most important related to tooth movement in orthodontia; however, its existence is an object of debate among the researchers. As CR is an idealized point for two dimensions, some authors affirms that is not possible to extend the concept for an asymmetric body delimited by another elastic body in three dimensions. In this sense, in this research was carried out using a numerical analysis, with ANSYS Workbench, on teeth behavior modelling. The model was discretized using three-dimensional solid elements and the contacts, between the different parts of the model, were generated automatically with ANSYS. The search for the CR was made by applying an external binary in the premolar tooth. The numerical analysis suggested that the CR does not exist and is highly dependent of two factors. The first is the relative flexibility between tooth and the peridontium (PDL) and the second is the PDL stiffness in each of the reference directions. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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