Finite element method simulation of bone resorption beneath a complete denture.
Identifieur interne : 004C62 ( PubMed/Corpus ); précédent : 004C61; suivant : 004C63Finite element method simulation of bone resorption beneath a complete denture.
Auteurs : Y. Maeda ; W W WoodSource :
- Journal of dental research [ 0022-0345 ] ; 1989.
English descriptors
- KwdEn :
- MESH :
- adverse effects : Denture Rebasing, Denture, Complete.
- etiology : Bone Resorption.
- methods : Dental Stress Analysis.
- physiopathology : Alveolar Process, Maxilla, Mouth, Edentulous.
- Computer Simulation, Humans, Models, Biological, Pressure.
Abstract
Bone resorption beneath a maxillary complete denture was simulated by the finite element method, assuming that a threshold of compressive strain exists in the alveolar bone above which the resorption occurred. The pattern of predicted resorption was observed when 100 N of force was applied to three positions occlusally, and 20 N was applied facially. Moreover, we observed the effect of rebasing the denture after initial resorption. The results indicate that resorption was initiated on the facial and occlusal surfaces of the alveolar ridge and proceeded palatally. The resorption was greater as the occlusal load point moved facially and when the force was applied in the facial direction. When the load point was toward the facial, rebasing the denture accentuated the resorption, but when the load point was toward the palatal, the resorption was almost the same regardless of rebase. The pattern of simulated bone resorption was similar to that reported from clinical observations, which suggests that the resorption may be associated with compressive strains developed in the alveolar bone. The results argue for the importance of occlusal adjustment of dentures to move the occlusal load point palatally and produce balanced occlusion in protrusion and lateral excursions, especially after a rebase procedure.
DOI: 10.1177/00220345890680091601
PubMed: 2778180
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pubmed:2778180Le document en format XML
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Maeda</name><affiliation><nlm:affiliation>Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Wood, W W" sort="Wood, W W" uniqKey="Wood W" first="W W" last="Wood">W W Wood</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1989">1989</date><idno type="RBID">pubmed:2778180</idno><idno type="pmid">2778180</idno><idno type="doi">10.1177/00220345890680091601</idno><idno type="wicri:Area/PubMed/Corpus">004C62</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">004C62</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Finite element method simulation of bone resorption beneath a complete denture.</title><author><name sortKey="Maeda, Y" sort="Maeda, Y" uniqKey="Maeda Y" first="Y" last="Maeda">Y. Maeda</name><affiliation><nlm:affiliation>Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Wood, W W" sort="Wood, W W" uniqKey="Wood W" first="W W" last="Wood">W W Wood</name></author></analytic><series><title level="j">Journal of dental research</title><idno type="ISSN">0022-0345</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alveolar Process (physiopathology)</term><term>Bone Resorption (etiology)</term><term>Computer Simulation</term><term>Dental Stress Analysis (methods)</term><term>Denture Rebasing (adverse effects)</term><term>Denture, Complete (adverse effects)</term><term>Humans</term><term>Maxilla (physiopathology)</term><term>Models, Biological</term><term>Mouth, Edentulous (physiopathology)</term><term>Pressure</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Denture Rebasing</term><term>Denture, Complete</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Bone Resorption</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Dental Stress Analysis</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Alveolar Process</term><term>Maxilla</term><term>Mouth, Edentulous</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term><term>Humans</term><term>Models, Biological</term><term>Pressure</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Bone resorption beneath a maxillary complete denture was simulated by the finite element method, assuming that a threshold of compressive strain exists in the alveolar bone above which the resorption occurred. The pattern of predicted resorption was observed when 100 N of force was applied to three positions occlusally, and 20 N was applied facially. Moreover, we observed the effect of rebasing the denture after initial resorption. The results indicate that resorption was initiated on the facial and occlusal surfaces of the alveolar ridge and proceeded palatally. The resorption was greater as the occlusal load point moved facially and when the force was applied in the facial direction. When the load point was toward the facial, rebasing the denture accentuated the resorption, but when the load point was toward the palatal, the resorption was almost the same regardless of rebase. The pattern of simulated bone resorption was similar to that reported from clinical observations, which suggests that the resorption may be associated with compressive strains developed in the alveolar bone. The results argue for the importance of occlusal adjustment of dentures to move the occlusal load point palatally and produce balanced occlusion in protrusion and lateral excursions, especially after a rebase procedure.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">2778180</PMID><DateCompleted><Year>1989</Year><Month>10</Month><Day>18</Day></DateCompleted><DateRevised><Year>2017</Year><Month>02</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-0345</ISSN><JournalIssue CitedMedium="Print"><Volume>68</Volume><Issue>9</Issue><PubDate><Year>1989</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Journal of dental research</Title><ISOAbbreviation>J. Dent. Res.</ISOAbbreviation></Journal><ArticleTitle>Finite element method simulation of bone resorption beneath a complete denture.</ArticleTitle><Pagination><MedlinePgn>1370-3</MedlinePgn></Pagination><Abstract><AbstractText>Bone resorption beneath a maxillary complete denture was simulated by the finite element method, assuming that a threshold of compressive strain exists in the alveolar bone above which the resorption occurred. The pattern of predicted resorption was observed when 100 N of force was applied to three positions occlusally, and 20 N was applied facially. Moreover, we observed the effect of rebasing the denture after initial resorption. The results indicate that resorption was initiated on the facial and occlusal surfaces of the alveolar ridge and proceeded palatally. The resorption was greater as the occlusal load point moved facially and when the force was applied in the facial direction. When the load point was toward the facial, rebasing the denture accentuated the resorption, but when the load point was toward the palatal, the resorption was almost the same regardless of rebase. The pattern of simulated bone resorption was similar to that reported from clinical observations, which suggests that the resorption may be associated with compressive strains developed in the alveolar bone. The results argue for the importance of occlusal adjustment of dentures to move the occlusal load point palatally and produce balanced occlusion in protrusion and lateral excursions, especially after a rebase procedure.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Maeda</LastName><ForeName>Y</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wood</LastName><ForeName>W W</ForeName><Initials>WW</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Dent Res</MedlineTA><NlmUniqueID>0354343</NlmUniqueID><ISSNLinking>0022-0345</ISSNLinking></MedlineJournalInfo><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000539" MajorTopicYN="N">Alveolar Process</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001862" MajorTopicYN="N">Bone Resorption</DescriptorName><QualifierName UI="Q000209" MajorTopicYN="Y">etiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003198" MajorTopicYN="N">Computer Simulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003799" MajorTopicYN="N">Dental Stress Analysis</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003823" MajorTopicYN="N">Denture Rebasing</DescriptorName><QualifierName UI="Q000009" MajorTopicYN="N">adverse effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003824" MajorTopicYN="N">Denture, Complete</DescriptorName><QualifierName UI="Q000009" MajorTopicYN="Y">adverse effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008437" MajorTopicYN="N">Maxilla</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009066" MajorTopicYN="N">Mouth, Edentulous</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011312" MajorTopicYN="N">Pressure</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1989</Year><Month>9</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1989</Year><Month>9</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1989</Year><Month>9</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">2778180</ArticleId><ArticleId IdType="doi">10.1177/00220345890680091601</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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