Three-dimensional evaluation of gap formation of cervical restorations
In some studies gap formation has been evaluated in just one section of the restorative. This in vitro study aimed to design a quantitative three-dimensional method for evaluation of the contraction gap in restoratives. Cervical cavities were prepared on buccal, palatal or lingual surfaces in human...
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| Veröffentlicht in: | Journal of dentistry 2005-04, Vol.33 (4), p.325-333 |
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| creator | Iwami, Yukiteru Shimizu, Ayako Hayashi, Mikako Takeshige, Fumio Ebisu, Shigeyuki |
| description | In some studies gap formation has been evaluated in just one section of the restorative. This in vitro study aimed to design a quantitative three-dimensional method for evaluation of the contraction gap in restoratives.
Cervical cavities were prepared on buccal, palatal or lingual surfaces in human extracted molars and were then filled with resin composites. Specimens were reduced every 100
μm in a direction parallel to the tooth axis, and perpendicular to the cavity floor from one proximal side to the other. The sequence of reducing the sections by 100
μm, image taking (250×) and observation of these images (maximal 2500×) were repeated. Three-dimensional images of the contraction gap were made using analytical software and the proportions of the interface with gap formation calculated.
The mean proportions of the interface with gap formation of the self-etching system (Clearfil Liner Bond II Σ) was 41.7±6.3% and that of the self-priming system (Single Bond) was 38.2±3.9%; there was no significant difference.
Approximate three-dimensional images of the in vitro contraction gap could be drawn and the mean proportions of the interface with gap formation could be more precisely calculated than by previous methods. |
| doi_str_mv | 10.1016/j.jdent.2004.10.001 |
| format | Article |
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Cervical cavities were prepared on buccal, palatal or lingual surfaces in human extracted molars and were then filled with resin composites. Specimens were reduced every 100
μm in a direction parallel to the tooth axis, and perpendicular to the cavity floor from one proximal side to the other. The sequence of reducing the sections by 100
μm, image taking (250×) and observation of these images (maximal 2500×) were repeated. Three-dimensional images of the contraction gap were made using analytical software and the proportions of the interface with gap formation calculated.
The mean proportions of the interface with gap formation of the self-etching system (Clearfil Liner Bond II Σ) was 41.7±6.3% and that of the self-priming system (Single Bond) was 38.2±3.9%; there was no significant difference.
Approximate three-dimensional images of the in vitro contraction gap could be drawn and the mean proportions of the interface with gap formation could be more precisely calculated than by previous methods.</description><identifier>ISSN: 0300-5712</identifier><identifier>EISSN: 1879-176X</identifier><identifier>DOI: 10.1016/j.jdent.2004.10.001</identifier><identifier>PMID: 15781140</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Analysis ; Bisphenol A-Glycidyl Methacrylate - chemistry ; Care and treatment ; Cartilage ; Cervical restoration ; Composite Resins - chemistry ; Cytoskeleton ; Dental caries ; Dental Cavity Preparation - methods ; Dental Cementum - ultrastructure ; Dental Enamel - ultrastructure ; Dental Marginal Adaptation ; Dental Restoration, Permanent - methods ; Dentin - ultrastructure ; Dentin-Bonding Agents - chemistry ; Dentistry ; Dentition ; Gap formation ; Humans ; Image Processing, Computer-Assisted ; Imaging, Three-Dimensional ; Materials Testing ; Medical technology ; Methacrylates - chemistry ; Methods ; Respiratory system ; Surface Properties ; Tooth Cervix - ultrastructure</subject><ispartof>Journal of dentistry, 2005-04, Vol.33 (4), p.325-333</ispartof><rights>2004 Elsevier Ltd</rights><rights>COPYRIGHT 2005 The Lancet Publishing Group, a division of Elsevier Science Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-32230bef09e3ee8f025ec1a759ec866e4e2d61d6dcbe9e1b43dab657cd4603333</citedby><cites>FETCH-LOGICAL-c452t-32230bef09e3ee8f025ec1a759ec866e4e2d61d6dcbe9e1b43dab657cd4603333</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jdent.2004.10.001$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15781140$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Iwami, Yukiteru</creatorcontrib><creatorcontrib>Shimizu, Ayako</creatorcontrib><creatorcontrib>Hayashi, Mikako</creatorcontrib><creatorcontrib>Takeshige, Fumio</creatorcontrib><creatorcontrib>Ebisu, Shigeyuki</creatorcontrib><title>Three-dimensional evaluation of gap formation of cervical restorations</title><title>Journal of dentistry</title><addtitle>J Dent</addtitle><description>In some studies gap formation has been evaluated in just one section of the restorative. This in vitro study aimed to design a quantitative three-dimensional method for evaluation of the contraction gap in restoratives.
Cervical cavities were prepared on buccal, palatal or lingual surfaces in human extracted molars and were then filled with resin composites. Specimens were reduced every 100
μm in a direction parallel to the tooth axis, and perpendicular to the cavity floor from one proximal side to the other. The sequence of reducing the sections by 100
μm, image taking (250×) and observation of these images (maximal 2500×) were repeated. Three-dimensional images of the contraction gap were made using analytical software and the proportions of the interface with gap formation calculated.
The mean proportions of the interface with gap formation of the self-etching system (Clearfil Liner Bond II Σ) was 41.7±6.3% and that of the self-priming system (Single Bond) was 38.2±3.9%; there was no significant difference.
Approximate three-dimensional images of the in vitro contraction gap could be drawn and the mean proportions of the interface with gap formation could be more precisely calculated than by previous methods.</description><subject>Analysis</subject><subject>Bisphenol A-Glycidyl Methacrylate - chemistry</subject><subject>Care and treatment</subject><subject>Cartilage</subject><subject>Cervical restoration</subject><subject>Composite Resins - chemistry</subject><subject>Cytoskeleton</subject><subject>Dental caries</subject><subject>Dental Cavity Preparation - methods</subject><subject>Dental Cementum - ultrastructure</subject><subject>Dental Enamel - ultrastructure</subject><subject>Dental Marginal Adaptation</subject><subject>Dental Restoration, Permanent - methods</subject><subject>Dentin - ultrastructure</subject><subject>Dentin-Bonding Agents - chemistry</subject><subject>Dentistry</subject><subject>Dentition</subject><subject>Gap formation</subject><subject>Humans</subject><subject>Image Processing, Computer-Assisted</subject><subject>Imaging, Three-Dimensional</subject><subject>Materials Testing</subject><subject>Medical technology</subject><subject>Methacrylates - chemistry</subject><subject>Methods</subject><subject>Respiratory system</subject><subject>Surface Properties</subject><subject>Tooth Cervix - ultrastructure</subject><issn>0300-5712</issn><issn>1879-176X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kUFr3DAQhUVpabZpf0GhLBR6szsjW7J96CGEpi0EckkgNyFL41TGtraSvZB_X3l3aWgpkQ5Cj-_NjPQYe4-QI6D83Oe9pWnOOUCZlBwAX7AN1lWTYSXvX7INFACZqJCfsTcx9pBA4M1rdoaiqhFL2LCr25-BKLNupCk6P-lhS3s9LHpOl63vtg96t-18GP8IhsLemcQFirMPBz2-Za86PUR6dzrP2d3V19vL79n1zbcflxfXmSkFn7OC8wJa6qChgqjugAsyqCvRkKmlpJK4lWilNS01hG1ZWN1KURlbSijSOmefjnV3wf9a0gBqdNHQMOiJ_BKVrEQJJV_Bj_-AvV9Cel5UmCpxDljzJ-pBD6Tc1Pk5aLOWVBdYCMRGHKj8P1TalkZn_ESdS_pfhuJoMMHHGKhTu-BGHR5Tb7Vmp3p1yE6t2a1iyi65PpxGXtqR7JPnFFYCvhwBSj-8dxRUNI4mQ9YFMrOy3j3b4Df_cKm-</recordid><startdate>20050401</startdate><enddate>20050401</enddate><creator>Iwami, Yukiteru</creator><creator>Shimizu, Ayako</creator><creator>Hayashi, Mikako</creator><creator>Takeshige, Fumio</creator><creator>Ebisu, Shigeyuki</creator><general>Elsevier Ltd</general><general>The Lancet Publishing Group, a division of Elsevier Science Ltd</general><general>Elsevier Limited</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>7QF</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>20050401</creationdate><title>Three-dimensional evaluation of gap formation of cervical restorations</title><author>Iwami, Yukiteru ; Shimizu, Ayako ; Hayashi, Mikako ; Takeshige, Fumio ; Ebisu, Shigeyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c452t-32230bef09e3ee8f025ec1a759ec866e4e2d61d6dcbe9e1b43dab657cd4603333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Analysis</topic><topic>Bisphenol A-Glycidyl Methacrylate - chemistry</topic><topic>Care and treatment</topic><topic>Cartilage</topic><topic>Cervical restoration</topic><topic>Composite Resins - chemistry</topic><topic>Cytoskeleton</topic><topic>Dental caries</topic><topic>Dental Cavity Preparation - methods</topic><topic>Dental Cementum - ultrastructure</topic><topic>Dental Enamel - ultrastructure</topic><topic>Dental Marginal Adaptation</topic><topic>Dental Restoration, Permanent - methods</topic><topic>Dentin - ultrastructure</topic><topic>Dentin-Bonding Agents - chemistry</topic><topic>Dentistry</topic><topic>Dentition</topic><topic>Gap formation</topic><topic>Humans</topic><topic>Image Processing, Computer-Assisted</topic><topic>Imaging, Three-Dimensional</topic><topic>Materials Testing</topic><topic>Medical technology</topic><topic>Methacrylates - chemistry</topic><topic>Methods</topic><topic>Respiratory system</topic><topic>Surface Properties</topic><topic>Tooth Cervix - ultrastructure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Iwami, Yukiteru</creatorcontrib><creatorcontrib>Shimizu, Ayako</creatorcontrib><creatorcontrib>Hayashi, Mikako</creatorcontrib><creatorcontrib>Takeshige, Fumio</creatorcontrib><creatorcontrib>Ebisu, Shigeyuki</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of dentistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Iwami, Yukiteru</au><au>Shimizu, Ayako</au><au>Hayashi, Mikako</au><au>Takeshige, Fumio</au><au>Ebisu, Shigeyuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Three-dimensional evaluation of gap formation of cervical restorations</atitle><jtitle>Journal of dentistry</jtitle><addtitle>J Dent</addtitle><date>2005-04-01</date><risdate>2005</risdate><volume>33</volume><issue>4</issue><spage>325</spage><epage>333</epage><pages>325-333</pages><issn>0300-5712</issn><eissn>1879-176X</eissn><abstract>In some studies gap formation has been evaluated in just one section of the restorative. This in vitro study aimed to design a quantitative three-dimensional method for evaluation of the contraction gap in restoratives.
Cervical cavities were prepared on buccal, palatal or lingual surfaces in human extracted molars and were then filled with resin composites. Specimens were reduced every 100
μm in a direction parallel to the tooth axis, and perpendicular to the cavity floor from one proximal side to the other. The sequence of reducing the sections by 100
μm, image taking (250×) and observation of these images (maximal 2500×) were repeated. Three-dimensional images of the contraction gap were made using analytical software and the proportions of the interface with gap formation calculated.
The mean proportions of the interface with gap formation of the self-etching system (Clearfil Liner Bond II Σ) was 41.7±6.3% and that of the self-priming system (Single Bond) was 38.2±3.9%; there was no significant difference.
Approximate three-dimensional images of the in vitro contraction gap could be drawn and the mean proportions of the interface with gap formation could be more precisely calculated than by previous methods.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>15781140</pmid><doi>10.1016/j.jdent.2004.10.001</doi><tpages>9</tpages></addata></record> |
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| subjects | Analysis Bisphenol A-Glycidyl Methacrylate - chemistry Care and treatment Cartilage Cervical restoration Composite Resins - chemistry Cytoskeleton Dental caries Dental Cavity Preparation - methods Dental Cementum - ultrastructure Dental Enamel - ultrastructure Dental Marginal Adaptation Dental Restoration, Permanent - methods Dentin - ultrastructure Dentin-Bonding Agents - chemistry Dentistry Dentition Gap formation Humans Image Processing, Computer-Assisted Imaging, Three-Dimensional Materials Testing Medical technology Methacrylates - chemistry Methods Respiratory system Surface Properties Tooth Cervix - ultrastructure |
| title | Three-dimensional evaluation of gap formation of cervical restorations |
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