3D Finite Element Study on: Bar Splinted Implants Supporting Partial Denture in the Reconstructed Mandible
Identifieur interne : 000B41 ( Main/Merge ); précédent : 000B40; suivant : 000B423D Finite Element Study on: Bar Splinted Implants Supporting Partial Denture in the Reconstructed Mandible
Auteurs : Mohamed El-Anwar ; Rami Ghali ; Mona AboelnaggaSource :
- Open Access Macedonian Journal of Medical Sciences [ 1857-9655 ] ; 2016.
Abstract
This study aimed to estimate the stress patterns induced by the masticatory loads on a removable prosthesis supported and retained by bar splinted implants placed in the reconstructed mandible with two different clip materials and without clip, in the fibula-jaw bone and prosthesis using finite element analysis.
Two 3D finite element models were constructed, that models components were modeled on commercial CAD/CAM software then assembled into finite element package. Vertical loads were applied simulating the masticatory forces unilaterally in the resected site and bilaterally in the central fossa of the lower first molar as 100N (tension and compression). Analysis was based on the assumption full osseointegration between different types of bones, and between implants and fibula while fixing the top surface of the TMJ in place.
The metallic bar connecting the three implants is insensitive to the clips material. Its supporting implants showed typical behavior with maximum stress values at the neck region. Fibula and jaw bone showed stresses within physiologic, while clips material effect seems to be very small due to its relatively small size.
Switching loading force direction from tensile to compression did-not change the stresses and deformations distribution, but reversed their sign from positive to negative.
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DOI: 10.3889/oamjms.2016.027
PubMed: 27275353
PubMed Central: 4884240
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">3D Finite Element Study on: Bar Splinted Implants Supporting Partial Denture in the Reconstructed Mandible</title><author><name sortKey="El Anwar, Mohamed" sort="El Anwar, Mohamed" uniqKey="El Anwar M" first="Mohamed" last="El-Anwar">Mohamed El-Anwar</name><affiliation><nlm:aff id="aff1"><italic>National Research Centre, Mechanical Engineering, Giza, Egypt</italic></nlm:aff></affiliation></author><author><name sortKey="Ghali, Rami" sort="Ghali, Rami" uniqKey="Ghali R" first="Rami" last="Ghali">Rami Ghali</name><affiliation><nlm:aff id="aff2"><italic>Faculty of Dentistry, Ain Shams University, Removable Prosthodontics, Cairo, Egypt</italic></nlm:aff></affiliation></author><author><name sortKey="Aboelnagga, Mona" sort="Aboelnagga, Mona" uniqKey="Aboelnagga M" first="Mona" last="Aboelnagga">Mona Aboelnagga</name><affiliation><nlm:aff id="aff2"><italic>Faculty of Dentistry, Ain Shams University, Removable Prosthodontics, Cairo, Egypt</italic></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27275353</idno><idno type="pmc">4884240</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4884240</idno><idno type="RBID">PMC:4884240</idno><idno type="doi">10.3889/oamjms.2016.027</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">000744</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000744</idno><idno type="wicri:Area/Pmc/Curation">000744</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000744</idno><idno type="wicri:Area/Pmc/Checkpoint">000953</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000953</idno><idno type="wicri:Area/Ncbi/Merge">006782</idno><idno type="wicri:Area/Ncbi/Curation">006782</idno><idno type="wicri:Area/Ncbi/Checkpoint">006782</idno><idno type="wicri:Area/Main/Merge">000B41</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">3D Finite Element Study on: Bar Splinted Implants Supporting Partial Denture in the Reconstructed Mandible</title><author><name sortKey="El Anwar, Mohamed" sort="El Anwar, Mohamed" uniqKey="El Anwar M" first="Mohamed" last="El-Anwar">Mohamed El-Anwar</name><affiliation><nlm:aff id="aff1"><italic>National Research Centre, Mechanical Engineering, Giza, Egypt</italic></nlm:aff></affiliation></author><author><name sortKey="Ghali, Rami" sort="Ghali, Rami" uniqKey="Ghali R" first="Rami" last="Ghali">Rami Ghali</name><affiliation><nlm:aff id="aff2"><italic>Faculty of Dentistry, Ain Shams University, Removable Prosthodontics, Cairo, Egypt</italic></nlm:aff></affiliation></author><author><name sortKey="Aboelnagga, Mona" sort="Aboelnagga, Mona" uniqKey="Aboelnagga M" first="Mona" last="Aboelnagga">Mona Aboelnagga</name><affiliation><nlm:aff id="aff2"><italic>Faculty of Dentistry, Ain Shams University, Removable Prosthodontics, Cairo, Egypt</italic></nlm:aff></affiliation></author></analytic><series><title level="j">Open Access Macedonian Journal of Medical Sciences</title><idno type="eISSN">1857-9655</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="st1"><title>AIM:</title><p>This study aimed to estimate the stress patterns induced by the masticatory loads on a removable prosthesis supported and retained by bar splinted implants placed in the reconstructed mandible with two different clip materials and without clip, in the fibula-jaw bone and prosthesis using finite element analysis.</p></sec><sec id="st2"><title>METHODS:</title><p>Two 3D finite element models were constructed, that models components were modeled on commercial CAD/CAM software then assembled into finite element package. Vertical loads were applied simulating the masticatory forces unilaterally in the resected site and bilaterally in the central fossa of the lower first molar as 100N (tension and compression). Analysis was based on the assumption full osseointegration between different types of bones, and between implants and fibula while fixing the top surface of the TMJ in place.</p></sec><sec id="st3"><title>RESULTS:</title><p>The metallic bar connecting the three implants is insensitive to the clips material. Its supporting implants showed typical behavior with maximum stress values at the neck region. Fibula and jaw bone showed stresses within physiologic, while clips material effect seems to be very small due to its relatively small size.</p></sec><sec id="st4"><title>CONCLUSION:</title><p>Switching loading force direction from tensile to compression did-not change the stresses and deformations distribution, but reversed their sign from positive to negative.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Hoffman, Gr" uniqKey="Hoffman G">GR Hoffman</name></author><author><name sortKey="Islam, S" uniqKey="Islam S">S Islam</name></author><author><name sortKey="Eisenberg, Rl" uniqKey="Eisenberg R">RL Eisenberg</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Dalkiz, M" uniqKey="Dalkiz M">M Dalkiz</name></author><author><name sortKey="Beydemir, B" uniqKey="Beydemir B">B Beydemir</name></author><author><name sortKey="Gunaydin, Y" uniqKey="Gunaydin Y">Y 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sortKey="Wong, R" uniqKey="Wong R">R Wong</name></author><author><name sortKey="Tideman, H" uniqKey="Tideman H">H Tideman</name></author><author><name sortKey="Merkx, M" uniqKey="Merkx M">M Merkx</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Enlow, Dh" uniqKey="Enlow D">DH Enlow</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="J Drusik Pawlowskam Kromka Szydek, M" uniqKey="J Drusik Pawlowskam Kromka Szydek M">M Jędrusik-Pawłowskam Kromka-Szydek</name></author><author><name sortKey="Katram Niedzielska, I" uniqKey="Katram Niedzielska I">I Katram Niedzielska</name></author></analytic></biblStruct></listBibl></div1></back></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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