Reduced mechanical load decreases the density, stiffness, and strength of cancellous bone of the mandibular condyle.
Identifieur interne : 002F17 ( PubMed/Corpus ); précédent : 002F16; suivant : 002F18Reduced mechanical load decreases the density, stiffness, and strength of cancellous bone of the mandibular condyle.
Auteurs : E B W. Giesen ; M. Ding ; M. Dalstra ; T M G J. Van EijdenSource :
- Clinical biomechanics (Bristol, Avon) [ 0268-0033 ] ; 2003.
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Abstract
To investigate the influence of decreased mechanical loading on the density and mechanical properties of the cancellous bone of the human mandibular condyle.
PubMed: 12689786
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Reduced mechanical load decreases the density, stiffness, and strength of cancellous bone of the mandibular condyle.</title><author><name sortKey="Giesen, E B W" sort="Giesen, E B W" uniqKey="Giesen E" first="E B W" last="Giesen">E B W. Giesen</name><affiliation><nlm:affiliation>Department of Functional Anatomy, Academic Centre for Dentistry Amsterdam (ACTA), Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands. e.giesen@dent.umcn.nl</nlm:affiliation></affiliation></author><author><name sortKey="Ding, M" sort="Ding, M" uniqKey="Ding M" first="M" last="Ding">M. Ding</name></author><author><name sortKey="Dalstra, M" sort="Dalstra, M" uniqKey="Dalstra M" first="M" last="Dalstra">M. Dalstra</name></author><author><name sortKey="Van Eijden, T M G J" sort="Van Eijden, T M G J" uniqKey="Van Eijden T" first="T M G J" last="Van Eijden">T M G J. Van Eijden</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2003">2003</date><idno type="RBID">pubmed:12689786</idno><idno type="pmid">12689786</idno><idno type="wicri:Area/PubMed/Corpus">002F17</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">002F17</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Reduced mechanical load decreases the density, stiffness, and strength of cancellous bone of the mandibular condyle.</title><author><name sortKey="Giesen, E B W" sort="Giesen, E B W" uniqKey="Giesen E" first="E B W" last="Giesen">E B W. Giesen</name><affiliation><nlm:affiliation>Department of Functional Anatomy, Academic Centre for Dentistry Amsterdam (ACTA), Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands. e.giesen@dent.umcn.nl</nlm:affiliation></affiliation></author><author><name sortKey="Ding, M" sort="Ding, M" uniqKey="Ding M" first="M" last="Ding">M. Ding</name></author><author><name sortKey="Dalstra, M" sort="Dalstra, M" uniqKey="Dalstra M" first="M" last="Dalstra">M. Dalstra</name></author><author><name sortKey="Van Eijden, T M G J" sort="Van Eijden, T M G J" uniqKey="Van Eijden T" first="T M G J" last="Van Eijden">T M G J. Van Eijden</name></author></analytic><series><title level="j">Clinical biomechanics (Bristol, Avon)</title><idno type="ISSN">0268-0033</idno><imprint><date when="2003" type="published">2003</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Bone Density</term><term>Cadaver</term><term>Compressive Strength</term><term>Dentition, Permanent</term><term>Elasticity</term><term>Female</term><term>General Adaptation Syndrome</term><term>Humans</term><term>In Vitro Techniques</term><term>Jaw, Edentulous (physiopathology)</term><term>Male</term><term>Mandibular Condyle (physiopathology)</term><term>Reference Values</term><term>Weight-Bearing</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term><term>Mandibular Condyle</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Bone Density</term><term>Cadaver</term><term>Compressive Strength</term><term>Dentition, Permanent</term><term>Elasticity</term><term>Female</term><term>General Adaptation Syndrome</term><term>Humans</term><term>In Vitro Techniques</term><term>Male</term><term>Reference Values</term><term>Weight-Bearing</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To investigate the influence of decreased mechanical loading on the density and mechanical properties of the cancellous bone of the human mandibular condyle.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12689786</PMID><DateCompleted><Year>2003</Year><Month>06</Month><Day>06</Day></DateCompleted><DateRevised><Year>2014</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0268-0033</ISSN><JournalIssue CitedMedium="Print"><Volume>18</Volume><Issue>4</Issue><PubDate><Year>2003</Year><Month>May</Month></PubDate></JournalIssue><Title>Clinical biomechanics (Bristol, Avon)</Title><ISOAbbreviation>Clin Biomech (Bristol, Avon)</ISOAbbreviation></Journal><ArticleTitle>Reduced mechanical load decreases the density, stiffness, and strength of cancellous bone of the mandibular condyle.</ArticleTitle><Pagination><MedlinePgn>358-63</MedlinePgn></Pagination><Abstract><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">To investigate the influence of decreased mechanical loading on the density and mechanical properties of the cancellous bone of the human mandibular condyle.</AbstractText><AbstractText Label="DESIGN" NlmCategory="METHODS">Destructive compressive mechanical tests were performed on cancellous bone specimens.Background. Reduced masticatory function in edentate people leads to a reduction of forces acting on the mandible. As bone reacts to its mechanical environment a change in its material properties can be expected.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Cylindrical bone specimens were obtained from dentate and edentate embalmed cadavers. Mechanical parameters were determined in the axial and in the transverse directions. Subsequently, density parameters were determined according to a method based on Archimedes' principle.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The apparent density and volume fraction of the bone were about 18% lower in the edentate group; no age-related effect on density was found. The decrease of bone in the edentate group was associated with a lower stiffness and strength (about 22% and 28%, respectively). The ultimate strain, however, did not differ between the two groups. Both groups had similar mechanical anisotropy; in axial loading the bone was stiffer and stronger than in transverse loading.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">Reduced mechanical load had affected the density and herewith the mechanical properties of condylar cancellous bone, but not its anisotropy.</AbstractText><AbstractText Label="RELEVANCE" NlmCategory="CONCLUSIONS">The change in material properties of the cancellous bone after loss of teeth indicate that the mandibular condyle is sensitive for changes in its mechanical environment. Therefore, changes in mechanical loading of the condyle have to be accounted for in surgical procedures of the mandible.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Giesen</LastName><ForeName>E B W</ForeName><Initials>EB</Initials><AffiliationInfo><Affiliation>Department of Functional Anatomy, Academic Centre for Dentistry Amsterdam (ACTA), Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands. e.giesen@dent.umcn.nl</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ding</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Dalstra</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>van Eijden</LastName><ForeName>T M G J</ForeName><Initials>TM</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Clin Biomech (Bristol, Avon)</MedlineTA><NlmUniqueID>8611877</NlmUniqueID><ISSNLinking>0268-0033</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000369" MajorTopicYN="N">Aged, 80 and over</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015519" MajorTopicYN="N">Bone Density</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002102" MajorTopicYN="N">Cadaver</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019245" MajorTopicYN="N">Compressive Strength</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019229" MajorTopicYN="Y">Dentition, Permanent</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004548" MajorTopicYN="N">Elasticity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005790" MajorTopicYN="N">General Adaptation Syndrome</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D066298" MajorTopicYN="N">In Vitro Techniques</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007575" MajorTopicYN="N">Jaw, Edentulous</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008335" MajorTopicYN="N">Mandibular Condyle</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012016" MajorTopicYN="N">Reference Values</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016474" MajorTopicYN="Y">Weight-Bearing</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>4</Month><Day>12</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>6</Month><Day>7</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>4</Month><Day>12</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12689786</ArticleId><ArticleId IdType="pii">S0268003303000184</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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