Three-dimensional finite element analysis of implant-supported crown in fibula bone model
Identifieur interne : 002E87 ( Pmc/Curation ); précédent : 002E86; suivant : 002E88Three-dimensional finite element analysis of implant-supported crown in fibula bone model
Auteurs : Young-Seok Park [Corée du Sud] ; Ho-Beom Kwon [Corée du Sud]Source :
- The Journal of Advanced Prosthodontics [ 2005-7806 ] ; 2013.
Abstract
The purpose of this study was to compare stress distributions of implant-supported crown placed in fibula bone model with those in intact mandible model using three-dimensional finite element analysis.
Two three-dimensional finite element models were created to analyze biomechanical behaviors of implant-supported crowns placed in intact mandible and fibula model. The finite element models were generated from patient's computed tomography data. The model for grafted fibula was composed of fibula block, dental implant system, and implant-supported crown. In the mandible model, same components with identical geometries with the fibula model were used except that the mandible replaced the fibula. Vertical and oblique loadings were applied on the crowns. The highest von Mises stresses were investigated and stress distributions of the two models were analyzed.
Overall stress distributions in the two models were similar. The highest von Mises stress values were higher in the mandible model than in the fibula model. In the individual prosthodontic components there was no prominent difference between models. The stress concentrations occurred in cortical bones in both models and the effect of bicortical anchorage could be found in the fibula model.
Using finite element analysis it was shown that the implant-supported crown placed in free fibula graft might function successfully in terms of biomechanical behavior.
Url:
DOI: 10.4047/jap.2013.5.3.326
PubMed: 24049575
PubMed Central: 3774948
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Three-dimensional finite element analysis of implant-supported crown in fibula bone model</title><author><name sortKey="Park, Young Seok" sort="Park, Young Seok" uniqKey="Park Y" first="Young-Seok" last="Park">Young-Seok Park</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Oral Anatomy and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Oral Anatomy and Dental Research Institute, School of Dentistry, Seoul National University, Seoul</wicri:regionArea></affiliation></author><author><name sortKey="Kwon, Ho Beom" sort="Kwon, Ho Beom" uniqKey="Kwon H" first="Ho-Beom" last="Kwon">Ho-Beom Kwon</name><affiliation wicri:level="1"><nlm:aff id="A2">Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">24049575</idno><idno type="pmc">3774948</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3774948</idno><idno type="RBID">PMC:3774948</idno><idno type="doi">10.4047/jap.2013.5.3.326</idno><date when="2013">2013</date><idno type="wicri:Area/Pmc/Corpus">002E87</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002E87</idno><idno type="wicri:Area/Pmc/Curation">002E87</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002E87</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Three-dimensional finite element analysis of implant-supported crown in fibula bone model</title><author><name sortKey="Park, Young Seok" sort="Park, Young Seok" uniqKey="Park Y" first="Young-Seok" last="Park">Young-Seok Park</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Oral Anatomy and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Oral Anatomy and Dental Research Institute, School of Dentistry, Seoul National University, Seoul</wicri:regionArea></affiliation></author><author><name sortKey="Kwon, Ho Beom" sort="Kwon, Ho Beom" uniqKey="Kwon H" first="Ho-Beom" last="Kwon">Ho-Beom Kwon</name><affiliation wicri:level="1"><nlm:aff id="A2">Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul</wicri:regionArea></affiliation></author></analytic><series><title level="j">The Journal of Advanced Prosthodontics</title><idno type="ISSN">2005-7806</idno><idno type="eISSN">2005-7814</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>PURPOSE</title><p>The purpose of this study was to compare stress distributions of implant-supported crown placed in fibula bone model with those in intact mandible model using three-dimensional finite element analysis.</p></sec><sec><title>MATERIALS AND METHODS</title><p>Two three-dimensional finite element models were created to analyze biomechanical behaviors of implant-supported crowns placed in intact mandible and fibula model. The finite element models were generated from patient's computed tomography data. The model for grafted fibula was composed of fibula block, dental implant system, and implant-supported crown. In the mandible model, same components with identical geometries with the fibula model were used except that the mandible replaced the fibula. Vertical and oblique loadings were applied on the crowns. The highest von Mises stresses were investigated and stress distributions of the two models were analyzed.</p></sec><sec><title>RESULTS</title><p>Overall stress distributions in the two models were similar. The highest von Mises stress values were higher in the mandible model than in the fibula model. In the individual prosthodontic components there was no prominent difference between models. The stress concentrations occurred in cortical bones in both models and the effect of bicortical anchorage could be found in the fibula model.</p></sec><sec><title>CONCLUSION</title><p>Using finite element analysis it was shown that the implant-supported crown placed in free fibula graft might function successfully in terms of biomechanical behavior.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Beumer, J" uniqKey="Beumer J">J Beumer</name></author><author><name sortKey="Marunick, Mt" uniqKey="Marunick M">MT Marunick</name></author><author><name sortKey="Esposito, Sj" uniqKey="Esposito S">SJ Esposito</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Olson, Ml" uniqKey="Olson M">ML Olson</name></author><author><name sortKey="Shedd, Dp" uniqKey="Shedd D">DP Shedd</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Komisar, A" uniqKey="Komisar A">A 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<front><journal-meta><journal-id journal-id-type="nlm-ta">J Adv Prosthodont</journal-id><journal-id journal-id-type="iso-abbrev">J Adv Prosthodont</journal-id><journal-id journal-id-type="publisher-id">JAP</journal-id><journal-title-group><journal-title>The Journal of Advanced Prosthodontics</journal-title></journal-title-group><issn pub-type="ppub">2005-7806</issn><issn pub-type="epub">2005-7814</issn><publisher><publisher-name>The Korean Academy of Prosthodontics</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">24049575</article-id><article-id pub-id-type="pmc">3774948</article-id><article-id pub-id-type="doi">10.4047/jap.2013.5.3.326</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Three-dimensional finite element analysis of implant-supported crown in fibula bone model</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Park</surname><given-names>Young-Seok</given-names></name><degrees>DDS</degrees><degrees>MS</degrees><degrees>PhD</degrees><xref ref-type="aff" rid="A1">1</xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Kwon</surname><given-names>Ho-Beom</given-names></name><degrees>DDS</degrees><degrees>MS</degrees><degrees>PhD</degrees><xref ref-type="aff" rid="A2">2</xref></contrib></contrib-group><aff id="A1"><label>1</label>Department of Oral Anatomy and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea.</aff><aff id="A2"><label>2</label>Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea.</aff><author-notes><corresp>Corresponding author: Ho-Beom Kwon. Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, 275-1, Yeongeon-dong, Jongno-gu, Seoul, 110-749, Republic of Korea. Tel. 82220723816: <email>proskwon@snu.ac.kr</email></corresp></author-notes><pub-date pub-type="ppub"><month>8</month><year>2013</year></pub-date><pub-date pub-type="epub"><day>31</day><month>8</month><year>2013</year></pub-date><volume>5</volume><issue>3</issue><fpage>326</fpage><lpage>332</lpage><history><date date-type="received"><day>19</day><month>4</month><year>2013</year></date><date date-type="rev-recd"><day>03</day><month>8</month><year>2013</year></date><date date-type="accepted"><day>13</day><month>8</month><year>2013</year></date></history><permissions><copyright-statement>© 2013 The Korean Academy of Prosthodontics</copyright-statement><copyright-year>2013</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/"><license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/">http://creativecommons.org/licenses/by-nc/3.0/</ext-link>) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><abstract><sec><title>PURPOSE</title><p>The purpose of this study was to compare stress distributions of implant-supported crown placed in fibula bone model with those in intact mandible model using three-dimensional finite element analysis.</p></sec><sec><title>MATERIALS AND METHODS</title><p>Two three-dimensional finite element models were created to analyze biomechanical behaviors of implant-supported crowns placed in intact mandible and fibula model. The finite element models were generated from patient's computed tomography data. The model for grafted fibula was composed of fibula block, dental implant system, and implant-supported crown. In the mandible model, same components with identical geometries with the fibula model were used except that the mandible replaced the fibula. Vertical and oblique loadings were applied on the crowns. The highest von Mises stresses were investigated and stress distributions of the two models were analyzed.</p></sec><sec><title>RESULTS</title><p>Overall stress distributions in the two models were similar. The highest von Mises stress values were higher in the mandible model than in the fibula model. In the individual prosthodontic components there was no prominent difference between models. The stress concentrations occurred in cortical bones in both models and the effect of bicortical anchorage could be found in the fibula model.</p></sec><sec><title>CONCLUSION</title><p>Using finite element analysis it was shown that the implant-supported crown placed in free fibula graft might function successfully in terms of biomechanical behavior.</p></sec></abstract><kwd-group><kwd>Finite element analysis</kwd><kwd>Mandibular reconstruction</kwd><kwd>Hemimandibulectomy</kwd><kwd>Fibula</kwd></kwd-group></article-meta></front><floats-group><fig id="F1" orientation="portrait" position="float"><label>Fig. 1</label><caption><p>Implant components included in the models. Implant, abutment, abutment screw meshes were generated separately.</p></caption><graphic xlink:href="jap-5-326-g001"></graphic></fig><fig id="F2" orientation="portrait" position="float"><label>Fig. 2</label><caption><p>Structures of the three-dimensional finite element models. (A) Finite element model of the implant-supported crown placed in mandible model, (B) Finite element model of the implant-supported crown placed in fibula model.</p></caption><graphic xlink:href="jap-5-326-g002"></graphic></fig><fig id="F3" orientation="portrait" position="float"><label>Fig. 3</label><caption><p>The von Mises stress (GPa) distributions in the finite element models. High concentrations were found in the surface between abutment and implant body. (A) stress distribution in the intact mandible model, (B) stress distribution in the fibula model.</p></caption><graphic xlink:href="jap-5-326-g003"></graphic></fig><fig id="F4" orientation="portrait" position="float"><label>Fig. 4</label><caption><p>Stress distributions in implant components with 150 N vertical loading. von Mises stress (GPa) distributions were different based on the models, however, their values were similar. (A) stress distributions in implant components of mandible model, (B) stress distributions in implant components of fibula model.</p></caption><graphic xlink:href="jap-5-326-g004"></graphic></fig><fig id="F5" orientation="portrait" position="float"><label>Fig. 5</label><caption><p>Stress distributions in cancellous and cortical bones. In the fibula model, the effect of bicortical anchorage can be found. (A) stress distributions in the bone of the mandible model with 50 N of vertical loading, (B) stress distributions in the bone of the mandible model with 150 N of vertical loading, (C) stress distributions in the bone of the mandible model with 50 N of oblique loading, (D) stress distributions in the bone of the fibula model with 50 N of vertical loading, (E) stress distributions in the bone of the fibula model with 150 N of vertical loading, (F) stress distributions in the bone of the fibula model with 50 N of oblique loading.</p></caption><graphic xlink:href="jap-5-326-g005"></graphic></fig><table-wrap id="T1" orientation="portrait" position="float"><label>Table 1</label><caption><p>Material properties used for the finite element models</p></caption><graphic xlink:href="jap-5-326-i001"></graphic></table-wrap><table-wrap id="T2" orientation="portrait" position="float"><label>Table 2</label><caption><p>The highest von Mises stress values in the models</p></caption><graphic xlink:href="jap-5-326-i002"></graphic></table-wrap><table-wrap id="T3" orientation="portrait" position="float"><label>Table 3</label><caption><p>The highest von Mises stress values in the prosthodontic components</p></caption><graphic xlink:href="jap-5-326-i003"></graphic></table-wrap><table-wrap id="T4" orientation="portrait" position="float"><label>Table 4</label><caption><p>The highest von Mises stress values in the bone</p></caption><graphic xlink:href="jap-5-326-i004"></graphic></table-wrap><table-wrap id="T5" orientation="portrait" position="float"><label>Table 5</label><caption><p>The maximum displacement values in the models</p></caption><graphic xlink:href="jap-5-326-i005"></graphic></table-wrap></floats-group></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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