Loading conditions of endosseous implants in an edentulous human mandible: a three-dimensional, finite-element study.
Identifieur interne : 003F73 ( PubMed/Corpus ); précédent : 003F72; suivant : 003F74Loading conditions of endosseous implants in an edentulous human mandible: a three-dimensional, finite-element study.
Auteurs : H J Meijer ; F J Starmans ; W H Steen ; F. BosmanSource :
- Journal of oral rehabilitation [ 0305-182X ] ; 1996.
English descriptors
- KwdEn :
- MESH :
- chemical : Dental Implants.
- physiology : Mandible.
- physiopathology : Jaw, Edentulous.
- Bite Force, Compressive Strength, Dental Implantation, Endosseous, Dental Stress Analysis, Humans, Models, Structural, Tensile Strength, Weight-Bearing.
Abstract
The design of dental superstructures influences the loading on dental implants and the deformation of the anterior interforaminal bone in an edentulous mandible. This deformation causes stress in the bone around the implants and may lead to bone resorption and loss of the implant. The stress distribution around dental implants in an edentulous mandible was calculated by means of a three-dimensional, finite-element model of the anterior part of the jaw. This model was built from data obtained from slices of a single human mandible and was provided with four endosseous implants in the interforaminal region. The implants were either connected with a bar or remained solitary. The solitary implants or the bars were loaded either uniformly or non-uniformly. In case of a non-uniform distribution, either the central bar or the central implants were loaded or the lateral bars or the lateral implants were loaded. The most extreme stresses in the bone were always located around the neck of the implant. In the case of the uniform distribution of the loading there were more or less equal extreme principal stresses around the central and lateral implants. If the load was not uniformly distributed on the superstructure then the implant that was nearest to the place of loading showed the highest stress concentration; with connected implants there was a reduction in the magnitude of the extreme principal stresses compared to solitary implants.
PubMed: 8953480
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pubmed:8953480Le document en format XML
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Bosman</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1996">1996</date><idno type="RBID">pubmed:8953480</idno><idno type="pmid">8953480</idno><idno type="wicri:Area/PubMed/Corpus">003F73</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">003F73</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Loading conditions of endosseous implants in an edentulous human mandible: a three-dimensional, finite-element study.</title><author><name sortKey="Meijer, H J" sort="Meijer, H J" uniqKey="Meijer H" first="H J" last="Meijer">H J Meijer</name><affiliation><nlm:affiliation>Department of Oral and Maxillofacial Surgery and Maxillofacial Prosthetics, University Hospital Groningen, The Netherlands.</nlm:affiliation></affiliation></author><author><name sortKey="Starmans, F J" sort="Starmans, F J" uniqKey="Starmans F" first="F J" last="Starmans">F J Starmans</name></author><author><name sortKey="Steen, W H" sort="Steen, W H" uniqKey="Steen W" first="W H" last="Steen">W H Steen</name></author><author><name sortKey="Bosman, F" sort="Bosman, F" uniqKey="Bosman F" first="F" last="Bosman">F. Bosman</name></author></analytic><series><title level="j">Journal of oral rehabilitation</title><idno type="ISSN">0305-182X</idno><imprint><date when="1996" type="published">1996</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bite Force</term><term>Compressive Strength</term><term>Dental Implantation, Endosseous</term><term>Dental Implants</term><term>Dental Stress Analysis</term><term>Humans</term><term>Jaw, Edentulous (physiopathology)</term><term>Mandible (physiology)</term><term>Models, Structural</term><term>Tensile Strength</term><term>Weight-Bearing</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Bite Force</term><term>Compressive Strength</term><term>Dental Implantation, Endosseous</term><term>Dental Stress Analysis</term><term>Humans</term><term>Models, Structural</term><term>Tensile Strength</term><term>Weight-Bearing</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The design of dental superstructures influences the loading on dental implants and the deformation of the anterior interforaminal bone in an edentulous mandible. This deformation causes stress in the bone around the implants and may lead to bone resorption and loss of the implant. The stress distribution around dental implants in an edentulous mandible was calculated by means of a three-dimensional, finite-element model of the anterior part of the jaw. This model was built from data obtained from slices of a single human mandible and was provided with four endosseous implants in the interforaminal region. The implants were either connected with a bar or remained solitary. The solitary implants or the bars were loaded either uniformly or non-uniformly. In case of a non-uniform distribution, either the central bar or the central implants were loaded or the lateral bars or the lateral implants were loaded. The most extreme stresses in the bone were always located around the neck of the implant. In the case of the uniform distribution of the loading there were more or less equal extreme principal stresses around the central and lateral implants. If the load was not uniformly distributed on the superstructure then the implant that was nearest to the place of loading showed the highest stress concentration; with connected implants there was a reduction in the magnitude of the extreme principal stresses compared to solitary implants.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">8953480</PMID><DateCompleted><Year>1997</Year><Month>02</Month><Day>21</Day></DateCompleted><DateRevised><Year>2004</Year><Month>11</Month><Day>17</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0305-182X</ISSN><JournalIssue CitedMedium="Print"><Volume>23</Volume><Issue>11</Issue><PubDate><Year>1996</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Journal of oral rehabilitation</Title><ISOAbbreviation>J Oral Rehabil</ISOAbbreviation></Journal><ArticleTitle>Loading conditions of endosseous implants in an edentulous human mandible: a three-dimensional, finite-element study.</ArticleTitle><Pagination><MedlinePgn>757-63</MedlinePgn></Pagination><Abstract><AbstractText>The design of dental superstructures influences the loading on dental implants and the deformation of the anterior interforaminal bone in an edentulous mandible. This deformation causes stress in the bone around the implants and may lead to bone resorption and loss of the implant. The stress distribution around dental implants in an edentulous mandible was calculated by means of a three-dimensional, finite-element model of the anterior part of the jaw. This model was built from data obtained from slices of a single human mandible and was provided with four endosseous implants in the interforaminal region. The implants were either connected with a bar or remained solitary. The solitary implants or the bars were loaded either uniformly or non-uniformly. In case of a non-uniform distribution, either the central bar or the central implants were loaded or the lateral bars or the lateral implants were loaded. The most extreme stresses in the bone were always located around the neck of the implant. In the case of the uniform distribution of the loading there were more or less equal extreme principal stresses around the central and lateral implants. If the load was not uniformly distributed on the superstructure then the implant that was nearest to the place of loading showed the highest stress concentration; with connected implants there was a reduction in the magnitude of the extreme principal stresses compared to solitary implants.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Meijer</LastName><ForeName>H J</ForeName><Initials>HJ</Initials><AffiliationInfo><Affiliation>Department of Oral and Maxillofacial Surgery and Maxillofacial Prosthetics, University Hospital Groningen, The Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Starmans</LastName><ForeName>F J</ForeName><Initials>FJ</Initials></Author><Author ValidYN="Y"><LastName>Steen</LastName><ForeName>W H</ForeName><Initials>WH</Initials></Author><Author ValidYN="Y"><LastName>Bosman</LastName><ForeName>F</ForeName><Initials>F</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Oral Rehabil</MedlineTA><NlmUniqueID>0433604</NlmUniqueID><ISSNLinking>0305-182X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D015921">Dental Implants</NameOfSubstance></Chemical></ChemicalList><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001732" MajorTopicYN="Y">Bite Force</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019245" MajorTopicYN="N">Compressive Strength</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003758" MajorTopicYN="N">Dental Implantation, Endosseous</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015921" MajorTopicYN="Y">Dental Implants</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003799" MajorTopicYN="Y">Dental Stress Analysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007575" MajorTopicYN="N">Jaw, Edentulous</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008334" MajorTopicYN="N">Mandible</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008961" MajorTopicYN="N">Models, Structural</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013718" MajorTopicYN="N">Tensile Strength</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016474" MajorTopicYN="N">Weight-Bearing</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1996</Year><Month>11</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1996</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1996</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">8953480</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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