Bilinear elastic property of the periodontal ligament for simulation using a finite element mandible model
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概要
- 論文の詳細を見る
This study aimed to introduce a procedure for determining the bilinear elastic moduli (E1 and E2) of the periodontal ligament for a mathematical tooth model to analyse stress in the mandible. The bone and tooth morphology were scanned from a dry skull and an extracted intact tooth, respectively, and reconstructed in a three-dimensional finite element model. The model showed good agreement with previously reported in vivo premolar movement when an E1 for the first phase tooth movement of 0.05 MPa and an E2 for the second phase of 8.0 MPa with ε12 of 0.075 were adopted. The mandible model analysis indicated that a remarkably high maximum compressive stress in the cervical cortical bone and the tensile stress in areas of masticatory muscle attachment were found. Future stress analyses using a jaw model may follow the process of determination of bilinear moduli to enhance accurate simulation with less calculation time.
- 日本歯科理工学会の論文
- 2011-07-01
著者
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Ona Masahiro
Removal Partial Denture Prosthodontics Department Of Masticatory Function Rehabilitation Division Of
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Igarashi Yoshimasa
Removal Partial Denture Prosthodontics Department Of Masticatory Function Rehabilitation Division Of
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Igarashi Yoshimasa
Removable Partial Denture Prosthodontics Department Of Masticatory Function Rehabilitation Tokyo Med
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Wakabayashi Noriyuki
Removal Partial Denture Prosthodontics Department Of Masticatory Function Rehabilitation Division Of
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Ona Masahiro
Removable Partial Prosthodontics Department Of Masticatory Function Rehabilitation Division Of Oral
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Wakabayashi Noriyuki
Removable Partial Prosthodontics Department Of Masticatory Function Rehabilitation Division Of Oral
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Florian Zdenek
Institute Of Solid Mechanics Mechatronics And Biomechanics Brno University Of Technology
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BORAK Libor
Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno University of Technology
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BARTAKOVA Sonia
Stomatological Clinic, Faculty of Medicine, Masaryk University
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PRACHAR Patrik
Stomatological Clinic, Faculty of Medicine, Masaryk University
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MURAKAMI Natsuko
Removable Partial Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Ora
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Borak Libor
Institute Of Solid Mechanics Mechatronics And Biomechanics Brno University Of Technology
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Prachar Patrik
Stomatological Clinic Faculty Of Medicine Masaryk University
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Bartakova Sonia
Stomatological Clinic Faculty Of Medicine Masaryk University
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Murakami Natsuko
Removable Partial Prosthodontics Department Of Masticatory Function Rehabilitation Division Of Oral
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Igarashi Yoshimasa
Removable Partial Denture Prosthodontics Department Of Masticatory Function Rehabilitation Division
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