Influence of molar support loss on stress and strain in premolar periodontium: a patient-specific FEM study.
Identifieur interne : 001C88 ( PubMed/Corpus ); précédent : 001C87; suivant : 001C89Influence of molar support loss on stress and strain in premolar periodontium: a patient-specific FEM study.
Auteurs : Takayuki Kondo ; Noriyuki WakabayashiSource :
- Journal of dentistry [ 1879-176X ] ; 2009.
English descriptors
- KwdEn :
- Aged, Alveolar Process (physiopathology), Bicuspid (physiopathology), Biomechanical Phenomena, Bite Force, Computer Simulation, Denture Design, Denture, Partial, Removable, Elastic Modulus, Female, Finite Element Analysis, Humans, Image Processing, Computer-Assisted, Jaw Relation Record, Jaw, Edentulous, Partially (physiopathology), Jaw, Edentulous, Partially (rehabilitation), Mandible (physiopathology), Middle Aged, Models, Biological, Molar (physiopathology), Periodontal Ligament (physiopathology), Periodontium (physiopathology), Radiography, Panoramic, Stress, Mechanical, Tooth Apex (physiopathology), Tooth Loss (physiopathology).
- MESH :
- physiopathology : Alveolar Process, Bicuspid, Jaw, Edentulous, Partially, Mandible, Molar, Periodontal Ligament, Periodontium, Tooth Apex, Tooth Loss.
- rehabilitation : Jaw, Edentulous, Partially.
- Aged, Biomechanical Phenomena, Bite Force, Computer Simulation, Denture Design, Denture, Partial, Removable, Elastic Modulus, Female, Finite Element Analysis, Humans, Image Processing, Computer-Assisted, Jaw Relation Record, Middle Aged, Models, Biological, Radiography, Panoramic, Stress, Mechanical.
Abstract
To test the hypothesis that loss of molar support causes increased stress and strain in the periodontal structures surrounding the premolars, and to assess the influence of denture use on stress distribution.
DOI: 10.1016/j.jdent.2009.03.015
PubMed: 19380187
Links to Exploration step
pubmed:19380187Le document en format XML
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<author><name sortKey="Kondo, Takayuki" sort="Kondo, Takayuki" uniqKey="Kondo T" first="Takayuki" last="Kondo">Takayuki Kondo</name>
<affiliation><nlm:affiliation>Department of Removable Prosthodontics, School of Dentistry, Iwate Medical University, 1-3-27 Chuodori, Morioka, Iwate 020-8580, Japan.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Wakabayashi, Noriyuki" sort="Wakabayashi, Noriyuki" uniqKey="Wakabayashi N" first="Noriyuki" last="Wakabayashi">Noriyuki Wakabayashi</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Influence of molar support loss on stress and strain in premolar periodontium: a patient-specific FEM study.</title>
<author><name sortKey="Kondo, Takayuki" sort="Kondo, Takayuki" uniqKey="Kondo T" first="Takayuki" last="Kondo">Takayuki Kondo</name>
<affiliation><nlm:affiliation>Department of Removable Prosthodontics, School of Dentistry, Iwate Medical University, 1-3-27 Chuodori, Morioka, Iwate 020-8580, Japan.</nlm:affiliation>
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<author><name sortKey="Wakabayashi, Noriyuki" sort="Wakabayashi, Noriyuki" uniqKey="Wakabayashi N" first="Noriyuki" last="Wakabayashi">Noriyuki Wakabayashi</name>
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<series><title level="j">Journal of dentistry</title>
<idno type="eISSN">1879-176X</idno>
<imprint><date when="2009" type="published">2009</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term>
<term>Alveolar Process (physiopathology)</term>
<term>Bicuspid (physiopathology)</term>
<term>Biomechanical Phenomena</term>
<term>Bite Force</term>
<term>Computer Simulation</term>
<term>Denture Design</term>
<term>Denture, Partial, Removable</term>
<term>Elastic Modulus</term>
<term>Female</term>
<term>Finite Element Analysis</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted</term>
<term>Jaw Relation Record</term>
<term>Jaw, Edentulous, Partially (physiopathology)</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Mandible (physiopathology)</term>
<term>Middle Aged</term>
<term>Models, Biological</term>
<term>Molar (physiopathology)</term>
<term>Periodontal Ligament (physiopathology)</term>
<term>Periodontium (physiopathology)</term>
<term>Radiography, Panoramic</term>
<term>Stress, Mechanical</term>
<term>Tooth Apex (physiopathology)</term>
<term>Tooth Loss (physiopathology)</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Alveolar Process</term>
<term>Bicuspid</term>
<term>Jaw, Edentulous, Partially</term>
<term>Mandible</term>
<term>Molar</term>
<term>Periodontal Ligament</term>
<term>Periodontium</term>
<term>Tooth Apex</term>
<term>Tooth Loss</term>
</keywords>
<keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous, Partially</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Aged</term>
<term>Biomechanical Phenomena</term>
<term>Bite Force</term>
<term>Computer Simulation</term>
<term>Denture Design</term>
<term>Denture, Partial, Removable</term>
<term>Elastic Modulus</term>
<term>Female</term>
<term>Finite Element Analysis</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted</term>
<term>Jaw Relation Record</term>
<term>Middle Aged</term>
<term>Models, Biological</term>
<term>Radiography, Panoramic</term>
<term>Stress, Mechanical</term>
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<front><div type="abstract" xml:lang="en">To test the hypothesis that loss of molar support causes increased stress and strain in the periodontal structures surrounding the premolars, and to assess the influence of denture use on stress distribution.</div>
</front>
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<DateCompleted><Year>2009</Year>
<Month>08</Month>
<Day>20</Day>
</DateCompleted>
<DateRevised><Year>2013</Year>
<Month>11</Month>
<Day>21</Day>
</DateRevised>
<Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-176X</ISSN>
<JournalIssue CitedMedium="Internet"><Volume>37</Volume>
<Issue>7</Issue>
<PubDate><Year>2009</Year>
<Month>Jul</Month>
</PubDate>
</JournalIssue>
<Title>Journal of dentistry</Title>
<ISOAbbreviation>J Dent</ISOAbbreviation>
</Journal>
<ArticleTitle>Influence of molar support loss on stress and strain in premolar periodontium: a patient-specific FEM study.</ArticleTitle>
<Pagination><MedlinePgn>541-8</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jdent.2009.03.015</ELocationID>
<Abstract><AbstractText Label="OBJECTIVES" NlmCategory="OBJECTIVE">To test the hypothesis that loss of molar support causes increased stress and strain in the periodontal structures surrounding the premolars, and to assess the influence of denture use on stress distribution.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">Subjects included female patients with unilateral and bilateral loss of mandibular molar teeth and controls with complete dentition (n=7 in each group). The subjects included had normal dentition mesial to the edentulous region and use of a lower free-end saddle removable partial denture. Occlusal contacts were registered in vivo, and a patient-specific finite element model was constructed for each subject based on morphological measurements of the diagnostic cast and radiographs. The maximum bite force on each tooth was then used to calculate the stress and strain on the cortical and the cancellous bone.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">Mean maximum bite force and maximum principal stress and strain on periodontal tissues of the second premolars were significantly higher in the bilateral molar loss group than those in the other groups (p<0.05). The increase in stress could not be prevented by wearing dentures. The mean maximum stress and strain per bite force were relatively constant among the groups, indicating that the increased maximum stress and strain in the bilateral molar loss group was attributed to the higher maximum bite force.</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">The results suggest that the periodontium surrounding the most posteriorly located occluding premolars may become sensitive to bilateral loss of molar support when patients exhibit higher maximum bite forces.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kondo</LastName>
<ForeName>Takayuki</ForeName>
<Initials>T</Initials>
<AffiliationInfo><Affiliation>Department of Removable Prosthodontics, School of Dentistry, Iwate Medical University, 1-3-27 Chuodori, Morioka, Iwate 020-8580, Japan.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Wakabayashi</LastName>
<ForeName>Noriyuki</ForeName>
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<Language>eng</Language>
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<Month>04</Month>
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<MedlineJournalInfo><Country>England</Country>
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<MeshHeading><DescriptorName UI="D000539" MajorTopicYN="N">Alveolar Process</DescriptorName>
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<MeshHeading><DescriptorName UI="D001641" MajorTopicYN="N">Bicuspid</DescriptorName>
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<MeshHeading><DescriptorName UI="D001696" MajorTopicYN="N">Biomechanical Phenomena</DescriptorName>
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<MeshHeading><DescriptorName UI="D003198" MajorTopicYN="N">Computer Simulation</DescriptorName>
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<MeshHeading><DescriptorName UI="D055119" MajorTopicYN="N">Elastic Modulus</DescriptorName>
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<MeshHeading><DescriptorName UI="D016388" MajorTopicYN="N">Tooth Loss</DescriptorName>
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