Biomechanical factors associated with mandibular cantilevers: analysis with three-dimensional finite element models.
Identifieur interne : 000961 ( PubMed/Curation ); précédent : 000960; suivant : 000962Biomechanical factors associated with mandibular cantilevers: analysis with three-dimensional finite element models.
Auteurs : Tomoya Gonda ; Daiisa Yasuda ; Kazunori Ikebe ; Yoshinobu MaedaSource :
- The International journal of oral & maxillofacial implants [ 1942-4434 ]
Descripteurs français
- KwdFr :
- Analyse des éléments finis, Analyse du stress dentaire (), Arcade dentaire (physiologie), Conception d'appareil de prothèse dentaire, Conception de prothèse dentaire, Contrainte mécanique, Densité osseuse (physiologie), Humains, Imagerie tridimensionnelle (), Implants dentaires, Mandibule (physiologie), Modèles anatomiques, Muscle masséter (physiologie), Muscle temporal (physiologie), Muscles ptérygoïdiens (physiologie), Mâchoire édentée (physiopathologie), Phénomènes biomécaniques, Prothèse dentaire complète inférieure, Prothèse dentaire implanto-portée, Résorption alvéolaire (physiopathologie), Simulation numérique, Tomodensitométrie ().
- MESH :
- physiologie : Arcade dentaire, Densité osseuse, Mandibule, Muscle masséter, Muscle temporal, Muscles ptérygoïdiens.
- physiopathologie : Mâchoire édentée, Résorption alvéolaire.
- Analyse des éléments finis, Analyse du stress dentaire, Conception d'appareil de prothèse dentaire, Conception de prothèse dentaire, Contrainte mécanique, Humains, Imagerie tridimensionnelle, Implants dentaires, Modèles anatomiques, Phénomènes biomécaniques, Prothèse dentaire complète inférieure, Prothèse dentaire implanto-portée, Simulation numérique, Tomodensitométrie.
English descriptors
- KwdEn :
- Alveolar Bone Loss (physiopathology), Biomechanical Phenomena, Bone Density (physiology), Computer Simulation, Dental Arch (physiology), Dental Implants, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported, Dental Stress Analysis (methods), Denture Design, Denture, Complete, Lower, Finite Element Analysis, Humans, Imaging, Three-Dimensional (methods), Jaw, Edentulous (physiopathology), Mandible (physiology), Masseter Muscle (physiology), Models, Anatomic, Pterygoid Muscles (physiology), Stress, Mechanical, Temporal Muscle (physiology), Tomography, X-Ray Computed (methods).
- MESH :
- chemical : Dental Implants.
- methods : Dental Stress Analysis, Imaging, Three-Dimensional, Tomography, X-Ray Computed.
- physiology : Bone Density, Dental Arch, Mandible, Masseter Muscle, Pterygoid Muscles, Temporal Muscle.
- physiopathology : Alveolar Bone Loss, Jaw, Edentulous.
- Biomechanical Phenomena, Computer Simulation, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported, Denture Design, Denture, Complete, Lower, Finite Element Analysis, Humans, Models, Anatomic, Stress, Mechanical.
Abstract
Although the risks of using a cantilever to treat missing teeth have been described, the mechanisms remain unclear. This study aimed to reveal these mechanisms from a biomechanical perspective. The effects of various implant sites, number of implants, and superstructural connections on stress distribution in the marginal bone were analyzed with three-dimensional finite element models based on mandibular computed tomography data. Forces from the masseter, temporalis, and internal pterygoid were applied as vectors.
PubMed: 25397809
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last="Maeda">Yoshinobu Maeda</name></author></analytic><series><title level="j">The International journal of oral & maxillofacial implants</title><idno type="eISSN">1942-4434</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alveolar Bone Loss (physiopathology)</term><term>Biomechanical Phenomena</term><term>Bone Density (physiology)</term><term>Computer Simulation</term><term>Dental Arch (physiology)</term><term>Dental Implants</term><term>Dental Prosthesis Design</term><term>Dental Prosthesis, Implant-Supported</term><term>Dental Stress Analysis (methods)</term><term>Denture Design</term><term>Denture, Complete, Lower</term><term>Finite Element Analysis</term><term>Humans</term><term>Imaging, Three-Dimensional (methods)</term><term>Jaw, Edentulous (physiopathology)</term><term>Mandible (physiology)</term><term>Masseter Muscle (physiology)</term><term>Models, Anatomic</term><term>Pterygoid Muscles (physiology)</term><term>Stress, Mechanical</term><term>Temporal Muscle (physiology)</term><term>Tomography, X-Ray Computed (methods)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse des éléments finis</term><term>Analyse du stress dentaire ()</term><term>Arcade dentaire (physiologie)</term><term>Conception d'appareil de prothèse dentaire</term><term>Conception de prothèse dentaire</term><term>Contrainte mécanique</term><term>Densité osseuse (physiologie)</term><term>Humains</term><term>Imagerie tridimensionnelle ()</term><term>Implants dentaires</term><term>Mandibule (physiologie)</term><term>Modèles anatomiques</term><term>Muscle masséter (physiologie)</term><term>Muscle temporal (physiologie)</term><term>Muscles ptérygoïdiens (physiologie)</term><term>Mâchoire édentée (physiopathologie)</term><term>Phénomènes biomécaniques</term><term>Prothèse dentaire complète inférieure</term><term>Prothèse dentaire implanto-portée</term><term>Résorption alvéolaire (physiopathologie)</term><term>Simulation numérique</term><term>Tomodensitométrie ()</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Dental Stress Analysis</term><term>Imaging, Three-Dimensional</term><term>Tomography, X-Ray Computed</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Arcade dentaire</term><term>Densité osseuse</term><term>Mandibule</term><term>Muscle masséter</term><term>Muscle temporal</term><term>Muscles ptérygoïdiens</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Bone Density</term><term>Dental Arch</term><term>Mandible</term><term>Masseter Muscle</term><term>Pterygoid Muscles</term><term>Temporal Muscle</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Mâchoire édentée</term><term>Résorption alvéolaire</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Alveolar Bone Loss</term><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomechanical Phenomena</term><term>Computer Simulation</term><term>Dental Prosthesis Design</term><term>Dental Prosthesis, Implant-Supported</term><term>Denture Design</term><term>Denture, Complete, Lower</term><term>Finite Element Analysis</term><term>Humans</term><term>Models, Anatomic</term><term>Stress, Mechanical</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse des éléments finis</term><term>Analyse du stress dentaire</term><term>Conception d'appareil de prothèse dentaire</term><term>Conception de prothèse dentaire</term><term>Contrainte mécanique</term><term>Humains</term><term>Imagerie tridimensionnelle</term><term>Implants dentaires</term><term>Modèles anatomiques</term><term>Phénomènes biomécaniques</term><term>Prothèse dentaire complète inférieure</term><term>Prothèse dentaire implanto-portée</term><term>Simulation numérique</term><term>Tomodensitométrie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Although the risks of using a cantilever to treat missing teeth have been described, the mechanisms remain unclear. This study aimed to reveal these mechanisms from a biomechanical perspective. The effects of various implant sites, number of implants, and superstructural connections on stress distribution in the marginal bone were analyzed with three-dimensional finite element models based on mandibular computed tomography data. Forces from the masseter, temporalis, and internal pterygoid were applied as vectors.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25397809</PMID><DateCompleted><Year>2015</Year><Month>07</Month><Day>21</Day></DateCompleted><DateRevised><Year>2014</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1942-4434</ISSN><JournalIssue CitedMedium="Internet"><Volume>29</Volume><Issue>6</Issue><PubDate><MedlineDate>2014 Nov-Dec</MedlineDate></PubDate></JournalIssue><Title>The International journal of oral & maxillofacial implants</Title><ISOAbbreviation>Int J Oral Maxillofac Implants</ISOAbbreviation></Journal><ArticleTitle>Biomechanical factors associated with mandibular cantilevers: analysis with three-dimensional finite element models.</ArticleTitle><Pagination><MedlinePgn>e275-82</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.11607/jomi.3663</ELocationID><Abstract><AbstractText Label="PURPOSE" NlmCategory="OBJECTIVE">Although the risks of using a cantilever to treat missing teeth have been described, the mechanisms remain unclear. This study aimed to reveal these mechanisms from a biomechanical perspective. The effects of various implant sites, number of implants, and superstructural connections on stress distribution in the marginal bone were analyzed with three-dimensional finite element models based on mandibular computed tomography data. Forces from the masseter, temporalis, and internal pterygoid were applied as vectors.</AbstractText><AbstractText Label="MATERIALS AND METHODS" NlmCategory="METHODS">Two three-dimensional finite element models were created with the edentulous mandible showing severe and relatively modest residual ridge resorption. Cantilevers of the premolar and molar were simulated in the superstructures in the models. The following conditions were also included as factors in the models to investigate changes: poor bone quality, shortened dental arch, posterior occlusion, lateral occlusion, double force of the masseter, and short implant. Multiple linear regression analysis with a forced-entry method was performed with stress values as the objective variable and the factors as the explanatory variable.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">When bone mass was high, stress around the implant caused by differences in implantation sites was reduced. When bone mass was low, the presence of a cantilever was a possible risk factor. The stress around the implant increased significantly if bone quality was poor or if increased force (eg, bruxism) was applied.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">The addition of a cantilever to the superstructure increased stress around implants. When large muscle forces were applied to a superstructure with cantilevers or if bone quality was poor, stress around the implants increased.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gonda</LastName><ForeName>Tomoya</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Yasuda</LastName><ForeName>Daiisa</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Ikebe</LastName><ForeName>Kazunori</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Maeda</LastName><ForeName>Yoshinobu</ForeName><Initials>Y</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Int J Oral Maxillofac Implants</MedlineTA><NlmUniqueID>8611905</NlmUniqueID><ISSNLinking>0882-2786</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D015921">Dental Implants</NameOfSubstance></Chemical></ChemicalList><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D016301" MajorTopicYN="N">Alveolar Bone Loss</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001696" MajorTopicYN="N">Biomechanical Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015519" MajorTopicYN="N">Bone Density</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003198" MajorTopicYN="N">Computer Simulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003724" MajorTopicYN="N">Dental Arch</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015921" MajorTopicYN="N">Dental Implants</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017267" MajorTopicYN="N">Dental Prosthesis Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019094" MajorTopicYN="Y">Dental Prosthesis, Implant-Supported</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003799" MajorTopicYN="N">Dental Stress Analysis</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003779" MajorTopicYN="Y">Denture Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003826" MajorTopicYN="Y">Denture, Complete, Lower</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="D021621" MajorTopicYN="N">Imaging, Three-Dimensional</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007575" MajorTopicYN="N">Jaw, Edentulous</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008334" MajorTopicYN="N">Mandible</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008406" MajorTopicYN="N">Masseter Muscle</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008953" MajorTopicYN="N">Models, Anatomic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011626" MajorTopicYN="N">Pterygoid Muscles</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013314" MajorTopicYN="N">Stress, Mechanical</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013703" MajorTopicYN="N">Temporal Muscle</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014057" MajorTopicYN="N">Tomography, X-Ray Computed</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>11</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>11</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>7</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25397809</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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