Three Dimensional Finite Element Analysis of Stress Distribution Around Implant with Straight and Angled Abutments in Different Bone Qualities
Identifieur interne : 002139 ( Main/Exploration ); précédent : 002138; suivant : 002140Three Dimensional Finite Element Analysis of Stress Distribution Around Implant with Straight and Angled Abutments in Different Bone Qualities
Auteurs : G. Arun Kumar [Inde] ; B. Mahesh ; Dadu GeorgeSource :
- The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2013.
Abstract
The aim of the study was to compare the stress distribution around implant in different bone qualities of D1, D2, D3, and D4 with straight and angled abutments using three dimensional finite element analysis. A three dimensional finite element model of the premaxilla region, and two solid 4.3 × 10 mm implant, one with a straight abutment and the other with an angled abutment was done. Four distinctly different bone qualities of D1, D2, D3, and D4 were made. A static load of 178 N was applied at the centre of incisal edge along the long axis of each abutment. The maximum equivalent von Misses stress values around the implants were recorded. The distribution of stresses changed considerably with abutment angulation. As angulation increased from 0° to 15° the concentration of Von Misses stresses shifted to the cortical layer of bone on the facial side of the fixture. Although Von Misses stress increased in straight abutment as the bone quality changed from D1 to D4, it was more noticeable under the loading side of the angulated abutments. The high stresses induced through angled abutments at the cervical zone of the implant due to forces and moments could be a dominant factor that may aggravate the peri-implant bone loss or changes the existing peri-implantitis direction.
Url:
DOI: 10.1007/s13191-012-0242-6
PubMed: 24431777
PubMed Central: 3792315
Affiliations:
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Arun Kumar</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Department of Prosthodontics, Noorul Islam College of Dental Science, NICE Garden, Neyattinkara, Trivandrum, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Noorul Islam College of Dental Science, NICE Garden, Neyattinkara, Trivandrum</wicri:regionArea><wicri:noRegion>Trivandrum</wicri:noRegion></affiliation><affiliation><nlm:aff id="Aff3">Madhavam’, TC 17/1092-13,CG 193, Cherukara Road, Poojappura PO, Trivandrum, 695012 Kerala India</nlm:aff><wicri:noCountry code="subfield">695012 Kerala India</wicri:noCountry></affiliation></author><author><name sortKey="Mahesh, B" sort="Mahesh, B" uniqKey="Mahesh B" first="B." last="Mahesh">B. Mahesh</name><affiliation><nlm:aff id="Aff2">Department of Prosthodontics, Rajas Dental College, Kaval Kinaru, Tirunelveli, Tamil Nadu India</nlm:aff><wicri:noCountry code="subfield">Tamil Nadu India</wicri:noCountry></affiliation></author><author><name sortKey="George, Dadu" sort="George, Dadu" uniqKey="George D" first="Dadu" last="George">Dadu George</name><affiliation><nlm:aff id="Aff2">Department of Prosthodontics, Rajas Dental College, Kaval Kinaru, Tirunelveli, Tamil Nadu India</nlm:aff><wicri:noCountry code="subfield">Tamil Nadu India</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">24431777</idno><idno type="pmc">3792315</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3792315</idno><idno type="RBID">PMC:3792315</idno><idno type="doi">10.1007/s13191-012-0242-6</idno><date when="2013">2013</date><idno type="wicri:Area/Pmc/Corpus">000A33</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000A33</idno><idno type="wicri:Area/Pmc/Curation">000A33</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000A33</idno><idno type="wicri:Area/Pmc/Checkpoint">001726</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">001726</idno><idno type="wicri:Area/Ncbi/Merge">004D39</idno><idno type="wicri:Area/Ncbi/Curation">004D39</idno><idno type="wicri:Area/Ncbi/Checkpoint">004D39</idno><idno type="wicri:doubleKey">0972-4052:2013:Arun Kumar G:three:dimensional:finite</idno><idno type="wicri:Area/Main/Merge">002149</idno><idno type="wicri:Area/Main/Curation">002139</idno><idno type="wicri:Area/Main/Exploration">002139</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Three Dimensional Finite Element Analysis of Stress Distribution Around Implant with Straight and Angled Abutments in Different Bone Qualities</title><author><name sortKey="Arun Kumar, G" sort="Arun Kumar, G" uniqKey="Arun Kumar G" first="G." last="Arun Kumar">G. Arun Kumar</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Department of Prosthodontics, Noorul Islam College of Dental Science, NICE Garden, Neyattinkara, Trivandrum, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Noorul Islam College of Dental Science, NICE Garden, Neyattinkara, Trivandrum</wicri:regionArea><wicri:noRegion>Trivandrum</wicri:noRegion></affiliation><affiliation><nlm:aff id="Aff3">Madhavam’, TC 17/1092-13,CG 193, Cherukara Road, Poojappura PO, Trivandrum, 695012 Kerala India</nlm:aff><wicri:noCountry code="subfield">695012 Kerala India</wicri:noCountry></affiliation></author><author><name sortKey="Mahesh, B" sort="Mahesh, B" uniqKey="Mahesh B" first="B." last="Mahesh">B. Mahesh</name><affiliation><nlm:aff id="Aff2">Department of Prosthodontics, Rajas Dental College, Kaval Kinaru, Tirunelveli, Tamil Nadu India</nlm:aff><wicri:noCountry code="subfield">Tamil Nadu India</wicri:noCountry></affiliation></author><author><name sortKey="George, Dadu" sort="George, Dadu" uniqKey="George D" first="Dadu" last="George">Dadu George</name><affiliation><nlm:aff id="Aff2">Department of Prosthodontics, Rajas Dental College, Kaval Kinaru, Tirunelveli, Tamil Nadu India</nlm:aff><wicri:noCountry code="subfield">Tamil Nadu India</wicri:noCountry></affiliation></author></analytic><series><title level="j">The Journal of the Indian Prosthodontic Society</title><idno type="ISSN">0972-4052</idno><idno type="eISSN">1998-4057</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The aim of the study was to compare the stress distribution around implant in different bone qualities of D1, D2, D3, and D4 with straight and angled abutments using three dimensional finite element analysis. A three dimensional finite element model of the premaxilla region, and two solid 4.3 × 10 mm implant, one with a straight abutment and the other with an angled abutment was done. Four distinctly different bone qualities of D1, D2, D3, and D4 were made. A static load of 178 N was applied at the centre of incisal edge along the long axis of each abutment. The maximum equivalent von Misses stress values around the implants were recorded. The distribution of stresses changed considerably with abutment angulation. As angulation increased from 0° to 15° the concentration of Von Misses stresses shifted to the cortical layer of bone on the facial side of the fixture. Although Von Misses stress increased in straight abutment as the bone quality changed from D1 to D4, it was more noticeable under the loading side of the angulated abutments. The high stresses induced through angled abutments at the cervical zone of the implant due to forces and moments could be a dominant factor that may aggravate the peri-implant bone loss or changes the existing peri-implantitis direction.</p></div></front></TEI><affiliations><list><country><li>Inde</li></country></list><tree><noCountry><name sortKey="George, Dadu" sort="George, Dadu" uniqKey="George D" first="Dadu" last="George">Dadu George</name><name sortKey="Mahesh, B" sort="Mahesh, B" uniqKey="Mahesh B" first="B." last="Mahesh">B. Mahesh</name></noCountry><country name="Inde"><noRegion><name sortKey="Arun Kumar, G" sort="Arun Kumar, G" uniqKey="Arun Kumar G" first="G." last="Arun Kumar">G. Arun Kumar</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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