Non-linear 3D finite element analysis of full-arch implant-supported fixed dentures.
Identifieur interne : 000C76 ( PubMed/Curation ); précédent : 000C75; suivant : 000C77Non-linear 3D finite element analysis of full-arch implant-supported fixed dentures.
Auteurs : Mayara B. Ferreira [Brésil] ; Valentim A. Barão [Brésil] ; Juliana A. Delben [Brésil] ; Leonardo P. Faverani [Brésil] ; Ana Carolina Hip Lito [Brésil] ; Wirley G. Assunção [Brésil]Source :
- Materials science & engineering. C, Materials for biological applications [ 1873-0191 ] ; 2014.
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Abstract
Despite the necessity for faster clinical protocols for immediate loading of implant-supported dentures, there is a lack of biomechanical studies to confirm the rigid splinting effectiveness. We compared the stress in mandibular full-arch implant-supported fixed dentures under immediate loading through three-dimensional finite element analysis. Edentulous human mandible models were restored with a 4-implant fixed denture. Implants were splinted with a metallic framework and submitted to conventional loading (group A-control), with acrylic resin and submitted to immediate loading (group B), with a metallic framework and submitted to immediate loading (group C), and with acrylic resin and a prefabricated distal bar and submitted to immediate loading (group D). Models were supported by masticatory muscles. A 100-N oblique load was applied on the first molar. Group A presented the lowest stress and implant displacement values, whereas group D showed the highest values. In bone, groups under immediate loading exhibited the highest stress, whereas the group experiencing conventional loading showed an approximately 50% reduction. All groups submitted to immediate loading presented similar stress values in peri-implant bone. The loading protocol influenced the stress and implant displacement, but the design of the fixed denture did not affect the stress in the peri-implant bone. Rigid splinting of implants submitted to immediate loading is not essential for treatment success.
DOI: 10.1016/j.msec.2014.02.021
PubMed: 24656383
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Ferreira</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea></affiliation></author><author><name sortKey="Barao, Valentim A" sort="Barao, Valentim A" uniqKey="Barao V" first="Valentim A" last="Barão">Valentim A. Barão</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics and Periodontology, Piracicaba Dental School, Univ of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, Sao Paulo 13414-903, Brazil. Electronic address: barao@fop.unicamp.br.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Prosthodontics and Periodontology, Piracicaba Dental School, Univ of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, Sao Paulo 13414-903</wicri:regionArea></affiliation></author><author><name sortKey="Delben, Juliana A" sort="Delben, Juliana A" uniqKey="Delben J" first="Juliana A" last="Delben">Juliana A. Delben</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Araraquara Dental School, Univ Estadual Paulista (UNESP), Humaitá, 1680, Araraquara, Sao Paulo 14801-903, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Araraquara Dental School, Univ Estadual Paulista (UNESP), Humaitá, 1680, Araraquara, Sao Paulo 14801-903</wicri:regionArea></affiliation></author><author><name sortKey="Faverani, Leonardo P" sort="Faverani, Leonardo P" uniqKey="Faverani L" first="Leonardo P" last="Faverani">Leonardo P. Faverani</name><affiliation wicri:level="1"><nlm:affiliation>Department of Surgery and General Clinic, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Surgery and General Clinic, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea></affiliation></author><author><name sortKey="Hip Lito, Ana Carolina" sort="Hip Lito, Ana Carolina" uniqKey="Hip Lito A" first="Ana Carolina" last="Hip Lito">Ana Carolina Hip Lito</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea></affiliation></author><author><name sortKey="Assuncao, Wirley G" sort="Assuncao, Wirley G" uniqKey="Assuncao W" first="Wirley G" last="Assunção">Wirley G. Assunção</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea></affiliation></author></analytic><series><title level="j">Materials science & engineering. C, Materials for biological applications</title><idno type="eISSN">1873-0191</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Computer-Aided Design</term><term>Dental Prosthesis, Implant-Supported</term><term>Finite Element Analysis</term><term>Humans</term><term>Stress, Mechanical</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse des éléments finis</term><term>Conception assistée par ordinateur</term><term>Contrainte mécanique</term><term>Humains</term><term>Prothèse dentaire implanto-portée</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Computer-Aided Design</term><term>Dental Prosthesis, Implant-Supported</term><term>Finite Element Analysis</term><term>Humans</term><term>Stress, Mechanical</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse des éléments finis</term><term>Conception assistée par ordinateur</term><term>Contrainte mécanique</term><term>Humains</term><term>Prothèse dentaire implanto-portée</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Despite the necessity for faster clinical protocols for immediate loading of implant-supported dentures, there is a lack of biomechanical studies to confirm the rigid splinting effectiveness. We compared the stress in mandibular full-arch implant-supported fixed dentures under immediate loading through three-dimensional finite element analysis. Edentulous human mandible models were restored with a 4-implant fixed denture. Implants were splinted with a metallic framework and submitted to conventional loading (group A-control), with acrylic resin and submitted to immediate loading (group B), with a metallic framework and submitted to immediate loading (group C), and with acrylic resin and a prefabricated distal bar and submitted to immediate loading (group D). Models were supported by masticatory muscles. A 100-N oblique load was applied on the first molar. Group A presented the lowest stress and implant displacement values, whereas group D showed the highest values. In bone, groups under immediate loading exhibited the highest stress, whereas the group experiencing conventional loading showed an approximately 50% reduction. All groups submitted to immediate loading presented similar stress values in peri-implant bone. The loading protocol influenced the stress and implant displacement, but the design of the fixed denture did not affect the stress in the peri-implant bone. Rigid splinting of implants submitted to immediate loading is not essential for treatment success.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24656383</PMID><DateCompleted><Year>2014</Year><Month>11</Month><Day>25</Day></DateCompleted><DateRevised><Year>2014</Year><Month>03</Month><Day>24</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-0191</ISSN><JournalIssue CitedMedium="Internet"><Volume>38</Volume><PubDate><Year>2014</Year><Month>May</Month><Day>01</Day></PubDate></JournalIssue><Title>Materials science & engineering. C, Materials for biological applications</Title><ISOAbbreviation>Mater Sci Eng C Mater Biol Appl</ISOAbbreviation></Journal><ArticleTitle>Non-linear 3D finite element analysis of full-arch implant-supported fixed dentures.</ArticleTitle><Pagination><MedlinePgn>306-14</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.msec.2014.02.021</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0928-4931(14)00098-8</ELocationID><Abstract><AbstractText>Despite the necessity for faster clinical protocols for immediate loading of implant-supported dentures, there is a lack of biomechanical studies to confirm the rigid splinting effectiveness. We compared the stress in mandibular full-arch implant-supported fixed dentures under immediate loading through three-dimensional finite element analysis. Edentulous human mandible models were restored with a 4-implant fixed denture. Implants were splinted with a metallic framework and submitted to conventional loading (group A-control), with acrylic resin and submitted to immediate loading (group B), with a metallic framework and submitted to immediate loading (group C), and with acrylic resin and a prefabricated distal bar and submitted to immediate loading (group D). Models were supported by masticatory muscles. A 100-N oblique load was applied on the first molar. Group A presented the lowest stress and implant displacement values, whereas group D showed the highest values. In bone, groups under immediate loading exhibited the highest stress, whereas the group experiencing conventional loading showed an approximately 50% reduction. All groups submitted to immediate loading presented similar stress values in peri-implant bone. The loading protocol influenced the stress and implant displacement, but the design of the fixed denture did not affect the stress in the peri-implant bone. Rigid splinting of implants submitted to immediate loading is not essential for treatment success.</AbstractText><CopyrightInformation>Copyright © 2014 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ferreira</LastName><ForeName>Mayara B</ForeName><Initials>MB</Initials><AffiliationInfo><Affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Barão</LastName><ForeName>Valentim A</ForeName><Initials>VA</Initials><AffiliationInfo><Affiliation>Department of Prosthodontics and Periodontology, Piracicaba Dental School, Univ of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, Sao Paulo 13414-903, Brazil. Electronic address: barao@fop.unicamp.br.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Delben</LastName><ForeName>Juliana A</ForeName><Initials>JA</Initials><AffiliationInfo><Affiliation>Department of Dental Materials and Prosthodontics, Araraquara Dental School, Univ Estadual Paulista (UNESP), Humaitá, 1680, Araraquara, Sao Paulo 14801-903, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Faverani</LastName><ForeName>Leonardo P</ForeName><Initials>LP</Initials><AffiliationInfo><Affiliation>Department of Surgery and General Clinic, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hipólito</LastName><ForeName>Ana Carolina</ForeName><Initials>AC</Initials><AffiliationInfo><Affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Assunção</LastName><ForeName>Wirley G</ForeName><Initials>WG</Initials><AffiliationInfo><Affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>02</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Mater Sci Eng C Mater Biol Appl</MedlineTA><NlmUniqueID>101484109</NlmUniqueID><ISSNLinking>0928-4931</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D017076" MajorTopicYN="N">Computer-Aided Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019094" MajorTopicYN="Y">Dental Prosthesis, Implant-Supported</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020342" MajorTopicYN="Y">Finite Element Analysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013314" MajorTopicYN="N">Stress, Mechanical</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Biomechanics</Keyword><Keyword MajorTopicYN="N">Computed tomography</Keyword><Keyword MajorTopicYN="N">Dental implant</Keyword><Keyword MajorTopicYN="N">Immediate loading</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>11</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2014</Year><Month>01</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>02</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>3</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>3</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>12</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24656383</ArticleId><ArticleId IdType="pii">S0928-4931(14)00098-8</ArticleId><ArticleId IdType="doi">10.1016/j.msec.2014.02.021</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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