Relationship between the Load-Displacement Curve and Deformation Distribution in Porcine Mandibular Periodontium
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概要
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A porcine mandible was separated to prepare thin periodontium specimens, consisting of a molar, periodontal ligament (PDL), and alveolar bone. Occlusion was simulated by applying a forced compressive displacement, using a table-top material tester. We photographed images of the displacing periodontium specimen and simultaneously obtained the load-displacement curve during the test. The displacement and deformation distributions were examined using digital image correlation analysis. Then, we correlated the distribution with the load-displacement curve, which was characterized by biphasic behavior, as noted in many previous studies. We found that the displacement and deformation distributions of actual periodontium correlated with the load-displacement curve during dental occlusion. Regarding the biphasic characteristics of the load-displacement curve, we showed experimentally that the first phase indicated deformation of the PDL and the second indicated deformation of the alveolar bone and tooth.
- 一般社団法人 日本機械学会の論文
著者
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TODO Mitsugu
Research Institute for Applied Mechanics, Kyushu University
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Todo Mitsugu
Research Institute For Applied Mechanics Kyushu University
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Arakawa Kazuo
Research Institute For Applied Mechanics Kyushu University
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Morita Yasuyuki
Research Institute For Applied Mechanics Kyushu University
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UCHINO Masakazu
Fukuoka Industrial Technology Center
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Matsushita Yasuyuki
Graduate School Of Bioagricultual Sciences Nagoya University
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MATSUSHITA Yasuyuki
Graduate School of Dental Science, Kyushu University
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KOYANO Kiyoshi
Graduate School of Dental Science, Kyushu University
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- Preface
- Relationship between the Load-Displacement Curve and Deformation Distribution in Porcine Mandibular Periodontium
- Visualizing Displacement and Deformation Behavior of the Periodontium under Dental Occlusion Using a Digital Image Correlation Method
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- Effect of Press Processing on Fracture Behavior of HA/PLLA Biocomposite Material
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