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Scientific use of the finite element method in Orthodontics
Luegya Knop1, Luiz Gonzaga Gandini1, Ricardo Lima Shintcovsk1
1Department of Orthodontics and Pediatric Dentistry, School of Dentistry, Universidade Estadual Paulista, Araraquara, São Paulo, Brazil.
Introduction:
The finite element method (FEM) is an engineering resource applied to calculate the stress and deformation of complex structures, and has been widely used in orthodontic research. With the advantage of being a non-invasive and accurate method that provides quantitative and detailed data on the physiological reactions possible to occur in tissues, applying the FEM can anticipate the visualization of these tissue responses through the observation of areas of stress created from applied orthodontic mechanics.
Objective:
This article aims at reviewing and discussing the stages of the finite element method application and its applicability in Orthodontics.
Results:
FEM is able to evaluate the stress distribution at the interface between periodontal ligament and alveolar bone, and the shifting trend in various types of tooth movement when using different types of orthodontic devices. Therefore, it is necessary to know specific software for this purpose.
Conclusions:
FEM is an important experimental method to answer questions about tooth movement, overcoming the disadvantages of other experimental methods.
