Biomechanical aspects of two different implant-prosthetic concepts for edentulous maxillae.
Identifieur interne : 004287 ( PubMed/Corpus ); précédent : 004286; suivant : 004288Biomechanical aspects of two different implant-prosthetic concepts for edentulous maxillae.
Auteurs : U R Benzing ; H. Gall ; H. WeberSource :
- The International journal of oral & maxillofacial implants [ 0882-2786 ]
English descriptors
- KwdEn :
- Biomechanical Phenomena, Dental Alloys (chemistry), Dental Arch (pathology), Dental Implantation, Endosseous, Dental Implants, Dental Prosthesis Design, Elasticity, Gold Alloys (chemistry), Humans, Jaw, Edentulous (physiopathology), Jaw, Edentulous (surgery), Maxilla (physiopathology), Maxilla (surgery), Models, Biological, Resins, Synthetic (chemistry), Rotation, Stress, Mechanical, Surface Properties, Tensile Strength, Titanium (chemistry), Viscosity.
- MESH :
- chemical , chemistry : Dental Alloys, Gold Alloys, Resins, Synthetic, Titanium.
- pathology : Dental Arch.
- physiopathology : Jaw, Edentulous, Maxilla.
- surgery : Jaw, Edentulous, Maxilla.
- Biomechanical Phenomena, Dental Implantation, Endosseous, Dental Implants, Dental Prosthesis Design, Elasticity, Humans, Models, Biological, Rotation, Stress, Mechanical, Surface Properties, Tensile Strength, Viscosity.
Abstract
Two essentially different implant-prosthetic concepts are known for the treatment of edentulous maxillae. One concept propagates a "concentrated" arrangement of four to six implants in the premolar and anterior regions with a fixed cantilever superstructure. An alternative is a "spread-out" implant arrangement of six implants placed in the tuberosity, premolar, and anterior regions. The prosthetic rehabilitation consists of a fixed horseshoe-shaped bar and a removable prosthesis. A cantilever situation is avoided. The biomechanical aspects of these implant-prosthetic concepts were studied with clinical strain-gauge measurements and theoretical three-dimensional analysis using the finite element method. Results revealed that the distribution of bone stresses is more favorable with a spread-out implant arrangement than with a concentrated implant arrangement and cantilever restoration. The resistance to bending of a superstructure has an influence on bone stress concentration that should not be ignored. Stresses are controlled not only by the number or distribution of implants, but also by the material and design of the superstructure.
PubMed: 7744438
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pubmed:7744438Le document en format XML
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Weber</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="????"><PubDate><MedlineDate>1995 Mar-Apr</MedlineDate></PubDate></date><idno type="RBID">pubmed:7744438</idno><idno type="pmid">7744438</idno><idno type="wicri:Area/PubMed/Corpus">004287</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">004287</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Biomechanical aspects of two different implant-prosthetic concepts for edentulous maxillae.</title><author><name sortKey="Benzing, U R" sort="Benzing, U R" uniqKey="Benzing U" first="U R" last="Benzing">U R Benzing</name><affiliation><nlm:affiliation>Department of Prosthodontics, University of Tübingen, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Gall, H" sort="Gall, H" uniqKey="Gall H" first="H" last="Gall">H. Gall</name></author><author><name sortKey="Weber, H" sort="Weber, H" uniqKey="Weber H" first="H" last="Weber">H. Weber</name></author></analytic><series><title level="j">The International journal of oral & maxillofacial implants</title><idno type="ISSN">0882-2786</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomechanical Phenomena</term><term>Dental Alloys (chemistry)</term><term>Dental Arch (pathology)</term><term>Dental Implantation, Endosseous</term><term>Dental Implants</term><term>Dental Prosthesis Design</term><term>Elasticity</term><term>Gold Alloys (chemistry)</term><term>Humans</term><term>Jaw, Edentulous (physiopathology)</term><term>Jaw, Edentulous (surgery)</term><term>Maxilla (physiopathology)</term><term>Maxilla (surgery)</term><term>Models, Biological</term><term>Resins, Synthetic (chemistry)</term><term>Rotation</term><term>Stress, Mechanical</term><term>Surface Properties</term><term>Tensile Strength</term><term>Titanium (chemistry)</term><term>Viscosity</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Dental Alloys</term><term>Gold Alloys</term><term>Resins, Synthetic</term><term>Titanium</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Dental Arch</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term><term>Maxilla</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Jaw, Edentulous</term><term>Maxilla</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomechanical Phenomena</term><term>Dental Implantation, Endosseous</term><term>Dental Implants</term><term>Dental Prosthesis Design</term><term>Elasticity</term><term>Humans</term><term>Models, Biological</term><term>Rotation</term><term>Stress, Mechanical</term><term>Surface Properties</term><term>Tensile Strength</term><term>Viscosity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Two essentially different implant-prosthetic concepts are known for the treatment of edentulous maxillae. One concept propagates a "concentrated" arrangement of four to six implants in the premolar and anterior regions with a fixed cantilever superstructure. An alternative is a "spread-out" implant arrangement of six implants placed in the tuberosity, premolar, and anterior regions. The prosthetic rehabilitation consists of a fixed horseshoe-shaped bar and a removable prosthesis. A cantilever situation is avoided. The biomechanical aspects of these implant-prosthetic concepts were studied with clinical strain-gauge measurements and theoretical three-dimensional analysis using the finite element method. Results revealed that the distribution of bone stresses is more favorable with a spread-out implant arrangement than with a concentrated implant arrangement and cantilever restoration. The resistance to bending of a superstructure has an influence on bone stress concentration that should not be ignored. Stresses are controlled not only by the number or distribution of implants, but also by the material and design of the superstructure.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">7744438</PMID><DateCompleted><Year>1995</Year><Month>06</Month><Day>15</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0882-2786</ISSN><JournalIssue CitedMedium="Print"><Volume>10</Volume><Issue>2</Issue><PubDate><MedlineDate>1995 Mar-Apr</MedlineDate></PubDate></JournalIssue><Title>The International journal of oral & maxillofacial implants</Title><ISOAbbreviation>Int J Oral Maxillofac Implants</ISOAbbreviation></Journal><ArticleTitle>Biomechanical aspects of two different implant-prosthetic concepts for edentulous maxillae.</ArticleTitle><Pagination><MedlinePgn>188-98</MedlinePgn></Pagination><Abstract><AbstractText>Two essentially different implant-prosthetic concepts are known for the treatment of edentulous maxillae. One concept propagates a "concentrated" arrangement of four to six implants in the premolar and anterior regions with a fixed cantilever superstructure. An alternative is a "spread-out" implant arrangement of six implants placed in the tuberosity, premolar, and anterior regions. The prosthetic rehabilitation consists of a fixed horseshoe-shaped bar and a removable prosthesis. A cantilever situation is avoided. The biomechanical aspects of these implant-prosthetic concepts were studied with clinical strain-gauge measurements and theoretical three-dimensional analysis using the finite element method. Results revealed that the distribution of bone stresses is more favorable with a spread-out implant arrangement than with a concentrated implant arrangement and cantilever restoration. The resistance to bending of a superstructure has an influence on bone stress concentration that should not be ignored. Stresses are controlled not only by the number or distribution of implants, but also by the material and design of the superstructure.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Benzing</LastName><ForeName>U R</ForeName><Initials>UR</Initials><AffiliationInfo><Affiliation>Department of Prosthodontics, University of Tübingen, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gall</LastName><ForeName>H</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Weber</LastName><ForeName>H</ForeName><Initials>H</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</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="D003722">Dental Alloys</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D015921">Dental Implants</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D006047">Gold Alloys</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012117">Resins, Synthetic</NameOfSubstance></Chemical><Chemical><RegistryNumber>9085-38-5</RegistryNumber><NameOfSubstance UI="C010102">delrin</NameOfSubstance></Chemical><Chemical><RegistryNumber>D1JT611TNE</RegistryNumber><NameOfSubstance UI="D014025">Titanium</NameOfSubstance></Chemical></ChemicalList><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001696" MajorTopicYN="N">Biomechanical Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003722" MajorTopicYN="N">Dental Alloys</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003724" MajorTopicYN="N">Dental Arch</DescriptorName><QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003758" MajorTopicYN="Y">Dental Implantation, Endosseous</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015921" MajorTopicYN="Y">Dental Implants</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017267" MajorTopicYN="Y">Dental Prosthesis Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004548" MajorTopicYN="N">Elasticity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006047" MajorTopicYN="N">Gold Alloys</DescriptorName><QualifierName UI="Q000737" 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MajorTopicYN="N">Rotation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013314" MajorTopicYN="N">Stress, Mechanical</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013499" MajorTopicYN="N">Surface Properties</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013718" MajorTopicYN="N">Tensile Strength</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014025" MajorTopicYN="N">Titanium</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014783" MajorTopicYN="N">Viscosity</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1995</Year><Month>3</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1995</Year><Month>3</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate 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