Finite element analysis to compare complete denture and implant-retained overdentures with different attachment systems.
Identifieur interne : 001C87 ( PubMed/Corpus ); précédent : 001C86; suivant : 001C88Finite element analysis to compare complete denture and implant-retained overdentures with different attachment systems.
Auteurs : Valentim Adelino Ricardo Barão ; Wirley Gonçalves Assunção ; Lucas Fernando Tabata ; Juliana Aparecida Delben ; Erica Alves Gomes ; Edson Antonio Capello De Sousa ; Eduardo Passos RochaSource :
- The Journal of craniofacial surgery [ 1536-3732 ] ; 2009.
English descriptors
- KwdEn :
- MESH :
Abstract
This finite element analysis compared stress distribution on complete dentures and implant-retained overdentures with different attachment systems. Four models of edentulous mandible were constructed: group A (control), complete denture; group B, overdenture retained by 2 splinted implants with bar-clip system; group C, overdenture retained by 2 unsplinted implants with o'ring system; and group D, overdenture retained by 2 splinted implants with bar-clip and 2 distally placed o'ring system. Evaluation was performed on Ansys software, with 100-N vertical load applied on central incisive teeth. The lowest maximum general stress value (in megapascal) was observed in group A (64.305) followed by groups C (119.006), D (258.650), and B (349.873). The same trend occurred in supporting tissues with the highest stress value for cortical bone. Unsplinted implants associated with the o'ring attachment system showed the lowest maximum stress values among all overdenture groups. Furthermore, o'ring system also improved stress distribution when associated with bar-clip system.
DOI: 10.1097/SCS.0b013e3181abb395
PubMed: 19553853
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pubmed:19553853Le document en format XML
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<author><name sortKey="Barao, Valentim Adelino Ricardo" sort="Barao, Valentim Adelino Ricardo" uniqKey="Barao V" first="Valentim Adelino Ricardo" last="Barão">Valentim Adelino Ricardo Barão</name>
<affiliation><nlm:affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Araçatuba, São Paulo, Brazil.</nlm:affiliation>
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<author><name sortKey="Assuncao, Wirley Goncalves" sort="Assuncao, Wirley Goncalves" uniqKey="Assuncao W" first="Wirley Gonçalves" last="Assunção">Wirley Gonçalves Assunção</name>
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<author><name sortKey="Tabata, Lucas Fernando" sort="Tabata, Lucas Fernando" uniqKey="Tabata L" first="Lucas Fernando" last="Tabata">Lucas Fernando Tabata</name>
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<author><name sortKey="Delben, Juliana Aparecida" sort="Delben, Juliana Aparecida" uniqKey="Delben J" first="Juliana Aparecida" last="Delben">Juliana Aparecida Delben</name>
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<author><name sortKey="Gomes, Erica Alves" sort="Gomes, Erica Alves" uniqKey="Gomes E" first="Erica Alves" last="Gomes">Erica Alves Gomes</name>
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<author><name sortKey="De Sousa, Edson Antonio Capello" sort="De Sousa, Edson Antonio Capello" uniqKey="De Sousa E" first="Edson Antonio Capello" last="De Sousa">Edson Antonio Capello De Sousa</name>
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<author><name sortKey="Rocha, Eduardo Passos" sort="Rocha, Eduardo Passos" uniqKey="Rocha E" first="Eduardo Passos" last="Rocha">Eduardo Passos Rocha</name>
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<affiliation><nlm:affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Araçatuba, São Paulo, Brazil.</nlm:affiliation>
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<author><name sortKey="Assuncao, Wirley Goncalves" sort="Assuncao, Wirley Goncalves" uniqKey="Assuncao W" first="Wirley Gonçalves" last="Assunção">Wirley Gonçalves Assunção</name>
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<author><name sortKey="Tabata, Lucas Fernando" sort="Tabata, Lucas Fernando" uniqKey="Tabata L" first="Lucas Fernando" last="Tabata">Lucas Fernando Tabata</name>
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<author><name sortKey="De Sousa, Edson Antonio Capello" sort="De Sousa, Edson Antonio Capello" uniqKey="De Sousa E" first="Edson Antonio Capello" last="De Sousa">Edson Antonio Capello De Sousa</name>
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<series><title level="j">The Journal of craniofacial surgery</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Stress Analysis (methods)</term>
<term>Denture Design</term>
<term>Denture Retention</term>
<term>Denture, Overlay</term>
<term>Finite Element Analysis</term>
<term>In Vitro Techniques</term>
<term>Jaw, Edentulous (rehabilitation)</term>
<term>Mandible</term>
<term>Materials Testing</term>
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<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Dental Stress Analysis</term>
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<keywords scheme="MESH" xml:lang="en"><term>Dental Prosthesis, Implant-Supported</term>
<term>Denture Design</term>
<term>Denture Retention</term>
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<front><div type="abstract" xml:lang="en">This finite element analysis compared stress distribution on complete dentures and implant-retained overdentures with different attachment systems. Four models of edentulous mandible were constructed: group A (control), complete denture; group B, overdenture retained by 2 splinted implants with bar-clip system; group C, overdenture retained by 2 unsplinted implants with o'ring system; and group D, overdenture retained by 2 splinted implants with bar-clip and 2 distally placed o'ring system. Evaluation was performed on Ansys software, with 100-N vertical load applied on central incisive teeth. The lowest maximum general stress value (in megapascal) was observed in group A (64.305) followed by groups C (119.006), D (258.650), and B (349.873). The same trend occurred in supporting tissues with the highest stress value for cortical bone. Unsplinted implants associated with the o'ring attachment system showed the lowest maximum stress values among all overdenture groups. Furthermore, o'ring system also improved stress distribution when associated with bar-clip system.</div>
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<DateCompleted><Year>2009</Year>
<Month>11</Month>
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<DateRevised><Year>2014</Year>
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<Title>The Journal of craniofacial surgery</Title>
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<ArticleTitle>Finite element analysis to compare complete denture and implant-retained overdentures with different attachment systems.</ArticleTitle>
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<Abstract><AbstractText>This finite element analysis compared stress distribution on complete dentures and implant-retained overdentures with different attachment systems. Four models of edentulous mandible were constructed: group A (control), complete denture; group B, overdenture retained by 2 splinted implants with bar-clip system; group C, overdenture retained by 2 unsplinted implants with o'ring system; and group D, overdenture retained by 2 splinted implants with bar-clip and 2 distally placed o'ring system. Evaluation was performed on Ansys software, with 100-N vertical load applied on central incisive teeth. The lowest maximum general stress value (in megapascal) was observed in group A (64.305) followed by groups C (119.006), D (258.650), and B (349.873). The same trend occurred in supporting tissues with the highest stress value for cortical bone. Unsplinted implants associated with the o'ring attachment system showed the lowest maximum stress values among all overdenture groups. Furthermore, o'ring system also improved stress distribution when associated with bar-clip system.</AbstractText>
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<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Barão</LastName>
<ForeName>Valentim Adelino Ricardo</ForeName>
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<AffiliationInfo><Affiliation>Department of Dental Materials and Prosthodontics, Araçatuba Dental School, Araçatuba, São Paulo, Brazil.</Affiliation>
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