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Bilinear elastic property of the periodontal ligament for simulation using a finite element mandible model
L. Borák, Z. Florian, S. Bartáková, P. Prachár, N. Murakami, M. Ona, Y. Igarashi, N. Wakabayashi,
Language English Country Japan
Document type Journal Article, Research Support, Non-U.S. Gov't
NLK
Free Medical Journals
from 1982
J-STAGE (Japan Science & Technology Information Aggregator, Electronic) - English
from 1982
J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - English
from 1982
Open Access Digital Library
from 1982-01-01
PubMed
21778610
DOI
10.4012/dmj.2010-170
Knihovny.cz E-resources
- MeSH
- Finite Element Analysis MeSH
- Models, Biological MeSH
- Biomechanical Phenomena MeSH
- Tooth Apex anatomy & histology MeSH
- Humans MeSH
- Mandible anatomy & histology physiology MeSH
- Stress, Mechanical MeSH
- Elastic Modulus MeSH
- Masseter Muscle anatomy & histology physiology MeSH
- Pterygoid Muscles anatomy & histology physiology MeSH
- Temporal Muscle anatomy & histology physiology MeSH
- Odontometry MeSH
- Periodontal Ligament physiology MeSH
- Computer Simulation MeSH
- Image Processing, Computer-Assisted methods MeSH
- Movement MeSH
- Bicuspid anatomy & histology physiology MeSH
- Alveolar Process anatomy & histology physiology MeSH
- Bite Force MeSH
- Imaging, Three-Dimensional methods MeSH
- Tooth Root anatomy & histology MeSH
- Tooth Crown anatomy & histology MeSH
- Tooth Socket anatomy & histology physiology MeSH
- Check Tag
- Humans MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
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 ε(12) 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.
References provided by Crossref.org
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