3D Finite Element Analysis of Stress in the Periodontal Ligament

3D Finite Element Analysis of Stress in the Periodontal Ligament

of the maxillary first molar with simulated bone loss

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The purpose of the study was to use the finite element method to simulate the effect of alveolar bone loss on orthodontically induced stress in the periodontal ligament of the maxillary first molar. A 3-dimensional finite element model of a tooth with different levels of bone height was constructed to estimate the reduction in force and the increase in moment to force (M/F) ratio necessary to obtain evenly distributed stress in the periodontal ligament of a tooth with horizontal bone loss. The 3- Dimensional finite model comprise a maxillary first molar, the periodontal ligament, and alveolar ...