Stress analysis of different configurations of 3 implants to support a fixed prosthesis in an edentulous jaw.
Identifieur interne : 000F46 ( Ncbi/Merge ); précédent : 000F45; suivant : 000F47Stress analysis of different configurations of 3 implants to support a fixed prosthesis in an edentulous jaw.
Auteurs : João Paulo Da Silva-Neto ; Marcele Jardim Pimentel ; Flávio Domingues Das Neves ; Rafael Leonardo Xediek Consani ; Mateus Bertolini Fernandes Dos SantosSource :
- Brazilian oral research [ 1807-3107 ] ; 2014.
Descripteurs français
- KwdFr :
- Analyse des éléments finis, Analyse du stress dentaire, Conception de prothèse dentaire (), Humains, Illustration médicale, Imagerie tridimensionnelle, Modèles anatomiques, Mâchoire édentée (rééducation et réadaptation), Piliers dentaires, Prothèse dentaire implanto-portée (), Reproductibilité des résultats, Valeurs de référence, Vis orthopédiques.
- MESH :
- rééducation et réadaptation : Mâchoire édentée.
- Analyse des éléments finis, Analyse du stress dentaire, Conception de prothèse dentaire, Humains, Illustration médicale, Imagerie tridimensionnelle, Modèles anatomiques, Piliers dentaires, Prothèse dentaire implanto-portée, Reproductibilité des résultats, Valeurs de référence, Vis orthopédiques.
English descriptors
- KwdEn :
- Bone Screws, Dental Abutments, Dental Prosthesis Design (methods), Dental Prosthesis, Implant-Supported (methods), Dental Stress Analysis, Finite Element Analysis, Humans, Imaging, Three-Dimensional, Jaw, Edentulous (rehabilitation), Medical Illustration, Models, Anatomic, Reference Values, Reproducibility of Results.
- MESH :
- methods : Dental Prosthesis Design, Dental Prosthesis, Implant-Supported.
- rehabilitation : Jaw, Edentulous.
- Bone Screws, Dental Abutments, Dental Stress Analysis, Finite Element Analysis, Humans, Imaging, Three-Dimensional, Medical Illustration, Models, Anatomic, Reference Values, Reproducibility of Results.
Abstract
This study's aim was to evaluate the stress distribution in a mandibular implant-supported prosthesis and peri-implant bone considering implant quantity, diameter and position using linear 3-D finite element analysis. Models of an anterior jaw comprised 4 groups according to implant quantity, diameter, and position: control group C, 5 regular implants; R, 3 regular implants; W, 3 wide implants; and DTR, 3 regular implants with the distal ones tilted 30° distally. The cantilever was loaded with an axial load of 50 N. Data was evaluated using von Mises stress on implants and maximum principal stress and microstrain on the bone. The W group showed the lowest value of maximum principal stress in peri-implant bone of the loaded side (4.64 MPa) when compared to C (5.27 MPa), DTR (5.94 MPa), and R (11.12 MPa). Lower stress values in the loaded implants were observed in the experimental groups when compared to the C group. However, the unloaded implants presented opposite results. All the screws of the W group presented lower stress values when compared to the C group. However, the R and DTR groups presented an increase in stress values with the exception of the loaded screw. A reduction in the number of implants associated with wider implants reduced the stress in the bone and prosthetic components.
PubMed: 25000604
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Fernandes Dos" sort="Santos, Mateus Bertolini Fernandes Dos" uniqKey="Santos M" first="Mateus Bertolini Fernandes Dos" last="Santos">Mateus Bertolini Fernandes Dos Santos</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:25000604</idno><idno type="pmid">25000604</idno><idno type="wicri:Area/PubMed/Corpus">000803</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000803</idno><idno type="wicri:Area/PubMed/Curation">000803</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000803</idno><idno type="wicri:Area/PubMed/Checkpoint">000803</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000803</idno><idno type="wicri:Area/Ncbi/Merge">000F46</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Stress analysis of different configurations of 3 implants to support a fixed prosthesis in an edentulous jaw.</title><author><name sortKey="Silva Neto, Joao Paulo Da" sort="Silva Neto, Joao Paulo Da" uniqKey="Silva Neto J" first="João Paulo Da" last="Silva-Neto">João Paulo Da Silva-Neto</name></author><author><name sortKey="Pimentel, Marcele Jardim" sort="Pimentel, Marcele Jardim" uniqKey="Pimentel M" first="Marcele Jardim" last="Pimentel">Marcele Jardim Pimentel</name></author><author><name sortKey="Neves, Flavio Domingues Das" sort="Neves, Flavio Domingues Das" uniqKey="Neves F" first="Flávio Domingues Das" last="Neves">Flávio Domingues Das Neves</name></author><author><name sortKey="Consani, Rafael Leonardo Xediek" sort="Consani, Rafael Leonardo Xediek" uniqKey="Consani R" first="Rafael Leonardo Xediek" last="Consani">Rafael Leonardo Xediek Consani</name></author><author><name sortKey="Santos, Mateus Bertolini Fernandes Dos" sort="Santos, Mateus Bertolini Fernandes Dos" uniqKey="Santos M" first="Mateus Bertolini Fernandes Dos" last="Santos">Mateus Bertolini Fernandes Dos Santos</name></author></analytic><series><title level="j">Brazilian oral research</title><idno type="eISSN">1807-3107</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bone Screws</term><term>Dental Abutments</term><term>Dental Prosthesis Design (methods)</term><term>Dental Prosthesis, Implant-Supported (methods)</term><term>Dental Stress Analysis</term><term>Finite Element Analysis</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Jaw, Edentulous (rehabilitation)</term><term>Medical Illustration</term><term>Models, Anatomic</term><term>Reference Values</term><term>Reproducibility of Results</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse des éléments finis</term><term>Analyse du stress dentaire</term><term>Conception de prothèse dentaire ()</term><term>Humains</term><term>Illustration médicale</term><term>Imagerie tridimensionnelle</term><term>Modèles anatomiques</term><term>Mâchoire édentée (rééducation et réadaptation)</term><term>Piliers dentaires</term><term>Prothèse dentaire implanto-portée ()</term><term>Reproductibilité des résultats</term><term>Valeurs de référence</term><term>Vis orthopédiques</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Dental Prosthesis Design</term><term>Dental Prosthesis, Implant-Supported</term></keywords><keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Bone Screws</term><term>Dental Abutments</term><term>Dental Stress Analysis</term><term>Finite Element Analysis</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Medical Illustration</term><term>Models, Anatomic</term><term>Reference Values</term><term>Reproducibility of Results</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse des éléments finis</term><term>Analyse du stress dentaire</term><term>Conception de prothèse dentaire</term><term>Humains</term><term>Illustration médicale</term><term>Imagerie tridimensionnelle</term><term>Modèles anatomiques</term><term>Piliers dentaires</term><term>Prothèse dentaire implanto-portée</term><term>Reproductibilité des résultats</term><term>Valeurs de référence</term><term>Vis orthopédiques</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study's aim was to evaluate the stress distribution in a mandibular implant-supported prosthesis and peri-implant bone considering implant quantity, diameter and position using linear 3-D finite element analysis. Models of an anterior jaw comprised 4 groups according to implant quantity, diameter, and position: control group C, 5 regular implants; R, 3 regular implants; W, 3 wide implants; and DTR, 3 regular implants with the distal ones tilted 30° distally. The cantilever was loaded with an axial load of 50 N. Data was evaluated using von Mises stress on implants and maximum principal stress and microstrain on the bone. The W group showed the lowest value of maximum principal stress in peri-implant bone of the loaded side (4.64 MPa) when compared to C (5.27 MPa), DTR (5.94 MPa), and R (11.12 MPa). Lower stress values in the loaded implants were observed in the experimental groups when compared to the C group. However, the unloaded implants presented opposite results. All the screws of the W group presented lower stress values when compared to the C group. However, the R and DTR groups presented an increase in stress values with the exception of the loaded screw. A reduction in the number of implants associated with wider implants reduced the stress in the bone and prosthetic components.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25000604</PMID><DateCompleted><Year>2014</Year><Month>07</Month><Day>09</Day></DateCompleted><DateRevised><Year>2015</Year><Month>07</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1807-3107</ISSN><JournalIssue CitedMedium="Internet"><Volume>28</Volume><PubDate><Year>2014</Year></PubDate></JournalIssue><Title>Brazilian oral research</Title><ISOAbbreviation>Braz Oral Res</ISOAbbreviation></Journal><ArticleTitle>Stress analysis of different configurations of 3 implants to support a fixed prosthesis in an edentulous jaw.</ArticleTitle><Pagination><MedlinePgn>67-73</MedlinePgn></Pagination><Abstract><AbstractText>This study's aim was to evaluate the stress distribution in a mandibular implant-supported prosthesis and peri-implant bone considering implant quantity, diameter and position using linear 3-D finite element analysis. Models of an anterior jaw comprised 4 groups according to implant quantity, diameter, and position: control group C, 5 regular implants; R, 3 regular implants; W, 3 wide implants; and DTR, 3 regular implants with the distal ones tilted 30° distally. The cantilever was loaded with an axial load of 50 N. Data was evaluated using von Mises stress on implants and maximum principal stress and microstrain on the bone. The W group showed the lowest value of maximum principal stress in peri-implant bone of the loaded side (4.64 MPa) when compared to C (5.27 MPa), DTR (5.94 MPa), and R (11.12 MPa). Lower stress values in the loaded implants were observed in the experimental groups when compared to the C group. However, the unloaded implants presented opposite results. All the screws of the W group presented lower stress values when compared to the C group. However, the R and DTR groups presented an increase in stress values with the exception of the loaded screw. 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