Scientific use of the finite element method in Orthodontics

Luegya KNOP, Luiz Gonzaga GANDINI JR., Ricardo Lima SHINTCOVSK, Marcia Regina Elisa Aparecida Schiavon GANDINI

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.

Keywords: Bioengineering. Finite element method. Orthodontics.

How to cite: Knop L, Gandini Jr. LG, Shintcovsk RL, Gandini MREAS. Scientific use of the finite element method in Orthodontics. Dental Press J Orthod. 2015 Mar-Apr;20(2):119-25. DOI: http://dx.doi. org/10.1590/2176-9451.20.2.119-125.sar

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