Computer simulation of orthodontic tooth movement using CT image-based voxel finite element models with the level set method |
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Authors: | Masakazu Hasegawa Teruko Takano-Yamamoto |
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Institution: | Division of Orthodontics and Dental Orthopedics, Graduate School of Dentistry, Tohoku University, Aoba, Sendai 980-8575, Japan |
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Abstract: | Orthodontic tooth movement (OTM) is an adaptive biomechanical response of dentoalveolar components to orthodontic forces, in which remodeling of the alveolar bone occurs in response to changes in the surrounding mechanical environment. In this study, we developed a framework for OTM simulation by combining an image-based voxel finite element method, with a surface-tracking level set method using three-dimensional computer models. For a case study to demonstrate its capability of expressing clinical tooth movement, we observed displacement and rotation of the tooth under three types of force conditions. The simulation results demonstrate that the proposed simulation method has the potential to predict clinical OTM. |
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Keywords: | tooth movement orthodontics level set method image-based model voxel finite element models computational biomechanics |
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