Influence of tooth mobility on critical stresses in all-ceramic inlay-retained fixed dental prostheses: A finite element study
Abstract Objectives Inlay-retained fixed partial dentures are conservative prosthetic restorations. Their failure resistance is influenced by the stress distribution that depends on the material properties as well as the loading conditions. Finite element analysis provides the ability to estimate th...
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| Veröffentlicht in: | Dental materials 2012-02, Vol.28 (2), p.146-151 |
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| creator | Möllers, Kristina Parkot, Daniel Kirsten, Armin Güth, Jan-Frederik Edelhoff, Daniel Fischer, Horst |
| description | Abstract Objectives Inlay-retained fixed partial dentures are conservative prosthetic restorations. Their failure resistance is influenced by the stress distribution that depends on the material properties as well as the loading conditions. Finite element analysis provides the ability to estimate the loading capacity by simulating the stress distribution in all-ceramic dental restorations. The null-hypothesis of this study was that tooth mobility or tooth bearing condition significantly influences the stress distribution and therefore the failure resistance of all-ceramic inlay-retained fixed dental prostheses. Therefore, the stress distribution under different loading and bearing conditions of the teeth was analyzed using the finite element method. Methods Three different bearing conditions, one fixed and two flexible were chosen to simulate tooth mobility. The flexible models were constrained with spring elements to a virtual center of rotation. In addition, loading conditions were varied. Results The influence of tooth mobility on the stress distribution depended on the degree of modeled tooth mobility, as well as the loading conditions. The maximum first principal stresses differed significantly in magnitude and location depending on the modeled bearing condition and the simulated load case. The maximum difference between fixed and flexible model was more than 100%. Significance Tooth mobility and occlusal loading conditions have to be considered in finite element analyses as the simulated stress distribution is strongly influenced by these factors. |
| doi_str_mv | 10.1016/j.dental.2011.10.013 |
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Their failure resistance is influenced by the stress distribution that depends on the material properties as well as the loading conditions. Finite element analysis provides the ability to estimate the loading capacity by simulating the stress distribution in all-ceramic dental restorations. The null-hypothesis of this study was that tooth mobility or tooth bearing condition significantly influences the stress distribution and therefore the failure resistance of all-ceramic inlay-retained fixed dental prostheses. Therefore, the stress distribution under different loading and bearing conditions of the teeth was analyzed using the finite element method. Methods Three different bearing conditions, one fixed and two flexible were chosen to simulate tooth mobility. The flexible models were constrained with spring elements to a virtual center of rotation. In addition, loading conditions were varied. Results The influence of tooth mobility on the stress distribution depended on the degree of modeled tooth mobility, as well as the loading conditions. The maximum first principal stresses differed significantly in magnitude and location depending on the modeled bearing condition and the simulated load case. The maximum difference between fixed and flexible model was more than 100%. Significance Tooth mobility and occlusal loading conditions have to be considered in finite element analyses as the simulated stress distribution is strongly influenced by these factors.</description><identifier>ISSN: 0109-5641</identifier><identifier>EISSN: 1879-0097</identifier><identifier>DOI: 10.1016/j.dental.2011.10.013</identifier><identifier>PMID: 22104732</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Advanced Basic Science ; Bearing ; Bite Force ; Center of rotation ; Ceramics - chemistry ; Computer simulation ; Computer-Aided Design ; Crowns ; Dental Abutments ; Dental materials ; Dental Porcelain - chemistry ; Dentin - anatomy & histology ; Dentistry ; Denture Design ; Denture Precision Attachment ; Denture Retention ; Denture, Partial, Fixed ; Elastic Modulus ; Finite element analysis ; Finite element method ; Humans ; Imaging, Three-Dimensional ; Inlay-retained dental prostheses ; Inlays ; Materials Testing ; Mathematical analysis ; Pliability ; Prosthetics ; Rotation ; Stress concentration ; Stress distribution ; Stress, Mechanical ; Tooth mobility ; Tooth Mobility - physiopathology ; Zirconium - chemistry</subject><ispartof>Dental materials, 2012-02, Vol.28 (2), p.146-151</ispartof><rights>Academy of Dental Materials</rights><rights>2011 Academy of Dental Materials</rights><rights>Copyright © 2011 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c581t-f44eabad3d5b44ebef969c7e5dafd4bb51fe7c8626dc75a8048a7be750da5e73</citedby><cites>FETCH-LOGICAL-c581t-f44eabad3d5b44ebef969c7e5dafd4bb51fe7c8626dc75a8048a7be750da5e73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.dental.2011.10.013$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22104732$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Möllers, Kristina</creatorcontrib><creatorcontrib>Parkot, Daniel</creatorcontrib><creatorcontrib>Kirsten, Armin</creatorcontrib><creatorcontrib>Güth, Jan-Frederik</creatorcontrib><creatorcontrib>Edelhoff, Daniel</creatorcontrib><creatorcontrib>Fischer, Horst</creatorcontrib><title>Influence of tooth mobility on critical stresses in all-ceramic inlay-retained fixed dental prostheses: A finite element study</title><title>Dental materials</title><addtitle>Dent Mater</addtitle><description>Abstract Objectives Inlay-retained fixed partial dentures are conservative prosthetic restorations. Their failure resistance is influenced by the stress distribution that depends on the material properties as well as the loading conditions. Finite element analysis provides the ability to estimate the loading capacity by simulating the stress distribution in all-ceramic dental restorations. The null-hypothesis of this study was that tooth mobility or tooth bearing condition significantly influences the stress distribution and therefore the failure resistance of all-ceramic inlay-retained fixed dental prostheses. Therefore, the stress distribution under different loading and bearing conditions of the teeth was analyzed using the finite element method. Methods Three different bearing conditions, one fixed and two flexible were chosen to simulate tooth mobility. The flexible models were constrained with spring elements to a virtual center of rotation. In addition, loading conditions were varied. Results The influence of tooth mobility on the stress distribution depended on the degree of modeled tooth mobility, as well as the loading conditions. The maximum first principal stresses differed significantly in magnitude and location depending on the modeled bearing condition and the simulated load case. The maximum difference between fixed and flexible model was more than 100%. Significance Tooth mobility and occlusal loading conditions have to be considered in finite element analyses as the simulated stress distribution is strongly influenced by these factors.</description><subject>Advanced Basic Science</subject><subject>Bearing</subject><subject>Bite Force</subject><subject>Center of rotation</subject><subject>Ceramics - chemistry</subject><subject>Computer simulation</subject><subject>Computer-Aided Design</subject><subject>Crowns</subject><subject>Dental Abutments</subject><subject>Dental materials</subject><subject>Dental Porcelain - chemistry</subject><subject>Dentin - anatomy & histology</subject><subject>Dentistry</subject><subject>Denture Design</subject><subject>Denture Precision Attachment</subject><subject>Denture Retention</subject><subject>Denture, Partial, Fixed</subject><subject>Elastic Modulus</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Humans</subject><subject>Imaging, Three-Dimensional</subject><subject>Inlay-retained dental prostheses</subject><subject>Inlays</subject><subject>Materials Testing</subject><subject>Mathematical analysis</subject><subject>Pliability</subject><subject>Prosthetics</subject><subject>Rotation</subject><subject>Stress concentration</subject><subject>Stress distribution</subject><subject>Stress, Mechanical</subject><subject>Tooth mobility</subject><subject>Tooth Mobility - physiopathology</subject><subject>Zirconium - chemistry</subject><issn>0109-5641</issn><issn>1879-0097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkstu1TAQhiMEoofCGyDkHWxymMndLJCqikKlSizo3nLsieqDkxTbQZwNz86kKSxYUDa-zHxz8fzOspcIewRs3h72lqak_b4ARDbtActH2Q67VuYAsn2c7QBB5nVT4Un2LMYDAFSFxKfZSVEgVG1Z7LKfl9PgF5oMiXkQaZ7TjRjn3nmXjmKehAkuOaO9iClQjBSFm4T2PjcU9OgMX70-5oGSdhNZMbgfvG6didswx3RDHPVOnLFrcokEeRrZzQkXe3yePRm0j_Tifj_Nri8-XJ9_yq8-f7w8P7vKTd1hyoeqIt1rW9q652NPg2ykaam2erBV39c4UGu6pmisaWvdQdXptqe2BqtrasvT7PWWljv6tlBManTRkPd6onmJSmJTo-xaZPLNP0lsZFFWXVF0D6OAkjuqAf4HBcni3GWtNtTw8GKgQd0GN-pwZGjlGnVQ23jVKvxqZeE57NV9haUfyf4J-q00A-83gHjM3x0FFY1bdbcukEnKzu6hCn8nMJ4V5b_xlY4UD_MSJpZQoYqFAvVlfdL69xABOglN-QtJStdR</recordid><startdate>20120201</startdate><enddate>20120201</enddate><creator>Möllers, Kristina</creator><creator>Parkot, Daniel</creator><creator>Kirsten, Armin</creator><creator>Güth, Jan-Frederik</creator><creator>Edelhoff, Daniel</creator><creator>Fischer, Horst</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20120201</creationdate><title>Influence of tooth mobility on critical stresses in all-ceramic inlay-retained fixed dental prostheses: A finite element study</title><author>Möllers, Kristina ; Parkot, Daniel ; Kirsten, Armin ; Güth, Jan-Frederik ; Edelhoff, Daniel ; Fischer, Horst</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c581t-f44eabad3d5b44ebef969c7e5dafd4bb51fe7c8626dc75a8048a7be750da5e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Advanced Basic Science</topic><topic>Bearing</topic><topic>Bite Force</topic><topic>Center of rotation</topic><topic>Ceramics - chemistry</topic><topic>Computer simulation</topic><topic>Computer-Aided Design</topic><topic>Crowns</topic><topic>Dental Abutments</topic><topic>Dental materials</topic><topic>Dental Porcelain - chemistry</topic><topic>Dentin - anatomy & histology</topic><topic>Dentistry</topic><topic>Denture Design</topic><topic>Denture Precision Attachment</topic><topic>Denture Retention</topic><topic>Denture, Partial, Fixed</topic><topic>Elastic Modulus</topic><topic>Finite element analysis</topic><topic>Finite element method</topic><topic>Humans</topic><topic>Imaging, Three-Dimensional</topic><topic>Inlay-retained dental prostheses</topic><topic>Inlays</topic><topic>Materials Testing</topic><topic>Mathematical analysis</topic><topic>Pliability</topic><topic>Prosthetics</topic><topic>Rotation</topic><topic>Stress concentration</topic><topic>Stress distribution</topic><topic>Stress, Mechanical</topic><topic>Tooth mobility</topic><topic>Tooth Mobility - physiopathology</topic><topic>Zirconium - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Möllers, Kristina</creatorcontrib><creatorcontrib>Parkot, Daniel</creatorcontrib><creatorcontrib>Kirsten, Armin</creatorcontrib><creatorcontrib>Güth, Jan-Frederik</creatorcontrib><creatorcontrib>Edelhoff, Daniel</creatorcontrib><creatorcontrib>Fischer, Horst</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Dental materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Möllers, Kristina</au><au>Parkot, Daniel</au><au>Kirsten, Armin</au><au>Güth, Jan-Frederik</au><au>Edelhoff, Daniel</au><au>Fischer, Horst</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of tooth mobility on critical stresses in all-ceramic inlay-retained fixed dental prostheses: A finite element study</atitle><jtitle>Dental materials</jtitle><addtitle>Dent Mater</addtitle><date>2012-02-01</date><risdate>2012</risdate><volume>28</volume><issue>2</issue><spage>146</spage><epage>151</epage><pages>146-151</pages><issn>0109-5641</issn><eissn>1879-0097</eissn><abstract>Abstract Objectives Inlay-retained fixed partial dentures are conservative prosthetic restorations. Their failure resistance is influenced by the stress distribution that depends on the material properties as well as the loading conditions. Finite element analysis provides the ability to estimate the loading capacity by simulating the stress distribution in all-ceramic dental restorations. The null-hypothesis of this study was that tooth mobility or tooth bearing condition significantly influences the stress distribution and therefore the failure resistance of all-ceramic inlay-retained fixed dental prostheses. Therefore, the stress distribution under different loading and bearing conditions of the teeth was analyzed using the finite element method. Methods Three different bearing conditions, one fixed and two flexible were chosen to simulate tooth mobility. The flexible models were constrained with spring elements to a virtual center of rotation. In addition, loading conditions were varied. Results The influence of tooth mobility on the stress distribution depended on the degree of modeled tooth mobility, as well as the loading conditions. The maximum first principal stresses differed significantly in magnitude and location depending on the modeled bearing condition and the simulated load case. The maximum difference between fixed and flexible model was more than 100%. Significance Tooth mobility and occlusal loading conditions have to be considered in finite element analyses as the simulated stress distribution is strongly influenced by these factors.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>22104732</pmid><doi>10.1016/j.dental.2011.10.013</doi><tpages>6</tpages></addata></record> |
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| ispartof | Dental materials, 2012-02, Vol.28 (2), p.146-151 |
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| subjects | Advanced Basic Science Bearing Bite Force Center of rotation Ceramics - chemistry Computer simulation Computer-Aided Design Crowns Dental Abutments Dental materials Dental Porcelain - chemistry Dentin - anatomy & histology Dentistry Denture Design Denture Precision Attachment Denture Retention Denture, Partial, Fixed Elastic Modulus Finite element analysis Finite element method Humans Imaging, Three-Dimensional Inlay-retained dental prostheses Inlays Materials Testing Mathematical analysis Pliability Prosthetics Rotation Stress concentration Stress distribution Stress, Mechanical Tooth mobility Tooth Mobility - physiopathology Zirconium - chemistry |
| title | Influence of tooth mobility on critical stresses in all-ceramic inlay-retained fixed dental prostheses: A finite element study |
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