Article (Scientific journals)
Mesh Management Methods in Finite Element Simulations of Orthodontic Tooth Movement
Mengoni, Marlène; Ponthot, Jean-Philippe; Boman, Romain
2016In Medical Engineering and Physics, 38 (2), p. 140-147
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Keywords :
Orthodontic Tooth Movement; Arbitrary Lagrangian Eulerian; Remeshing; Finite Element Method
Abstract :
[en] In finite element simulations of orthodontic tooth movement, one of the challenges is to represent long term tooth movement. Large deformation of the periodontal ligament and large tooth displacment due to bone remodelling lead to large distortions of the finite element mesh when a Lagrangian formalism is used. We propose in this work to use an Arbitrary Lagrangian Eulerian (ALE) formalism to delay remeshing operations. A large tooth displacement is obtained including effect of remodelling without the need of remeshing steps but keeping a good-quality mesh. Very large deformations in soft tissues such as the periodontal ligament is obtained using a combination of the ALE formalism used continuously and a remeshing algorithm used when needed. This work demonstrates that the ALE formalism is a very efficient way to delay remeshing operations.
Disciplines :
Materials science & engineering
Author, co-author :
Mengoni, Marlène ;  Université de Liège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Ponthot, Jean-Philippe  ;  Université de Liège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Boman, Romain  ;  Université de Liège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Language :
English
Title :
Mesh Management Methods in Finite Element Simulations of Orthodontic Tooth Movement
Publication date :
February 2016
Journal title :
Medical Engineering and Physics
ISSN :
1350-4533
eISSN :
1873-4030
Publisher :
Butterworth Heinemann, London, United Kingdom
Volume :
38
Issue :
2
Pages :
140-147
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 09 November 2015

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