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dc.contributor.authorTommaso Rocca, Giovanni
dc.contributor.authorBaldrich, Borja
dc.contributor.authorMassimo Saratti, Carlo
dc.contributor.authorDelgado, Luis M.
dc.contributor.authorRoig Cayón, Miguel
dc.contributor.authorDaher, Rene
dc.contributor.authorKrejci, Ivo
dc.date.accessioned2021-04-12T11:49:43Z
dc.date.available2021-04-12T11:49:43Z
dc.date.issued2021
dc.identifier.citationTommaso Rocca, Giovanni; Baldrich, Borja; Massimo Saratti, Carlo [et al.]. Restoration’s thickness and bonding tooth substrate are determining factors in minimally invasive adhesive dentistry. Journal of Prosthodontic Research, 2021, p. 1-8. Disponible en: <https://www.jstage.jst.go.jp/article/jpr/advpub/0/advpub_JPR_D_20_00008/_article>. Fecha de acceso: 12 abr. 2021. DOI: 10.2186/jpr.JPR_D_20_00008ca
dc.identifier.issn1883-1958ca
dc.identifier.urihttp://hdl.handle.net/20.500.12328/2460
dc.description.abstractPurpose: To explore fracture strength and failure behaviour of minimally invasive CAD-CAM composite resin overlay restorations. Methods: Eighty bi- and tri-layer cylindrical overlay model including the restoration bonded over bovine tooth dentin (Groups D) and enamel-dentin (Groups E) were assembled (diameter 9 mm). Restorations were milled from CAD-CAM composite resin blocks (Brilliant Crios, Coltène/Whaledent AG) in different thicknesses (0.5mm, 1mm, 1.5mm, 2mm) and equally distributed in four Groups D and four Groups E (n=10). All specimens were submitted to an Hertzian load-to-failure contact test with spherical indenter. Critical loads were recorded in Newton and data were analysed using Kruskal–Wallis test for multiple and Mann-Whitney test for 2-samples comparisons (p < 0.05). Fragments were examined using SEM. The stress distribution for specimens with restorations of 0.5 mm and 2 mm was also investigated with FEA. Results: For all specimens, the mean static loads in Newton increased with an increase in restoration thickness. On contrary, restorations with the same thickness displayed higher resistance values when bonded over enamel than dentin, except for the 2-mm thick restorations. A damage competition was detected between cone/median cracks originating at the loading contact area of the restorations and radial cracks beginning at their inner surface, with the former prevailing in restorations bonded on enamel and the latter being dominant for restorations bonded on dentin. Conclusions: For bonded ultra-thin resin composite restorations (0.5 mm to 1.5 mm) enamel as bonding substrate assures higher critical loads to fracture than dentin. This influence gradually decreases as restoration thickened.en
dc.format.extent8ca
dc.language.isoengca
dc.publisherJapan Prosthodontic Societyca
dc.relation.ispartofJournal of Prosthodontic Researchca
dc.rightsThis is an open-access article distributed under the terms of Creative Commons Attribution License 4.0 (CCBY 4.0), which allows users to distribute and copy the material in any format so long as attribution is given to the author(s). https://creativecommons.org/licenses/by/4.0/deed.jaca
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.ja
dc.subject.otherDentinaca
dc.subject.otherEsmalt dentalca
dc.subject.otherOclusió dentalca
dc.subject.otherGomes i resinesca
dc.subject.otherDentinaes
dc.subject.otherEsmalte dentales
dc.subject.otherOclusión dentales
dc.subject.otherGomas y resinases
dc.subject.otherDentineen
dc.subject.otherTooth enamelen
dc.subject.otherDental occlusionen
dc.subject.otherResinsen
dc.titleRestoration’s thickness and bonding tooth substrate are determining factors in minimally invasive adhesive dentistryen
dc.typeinfo:eu-repo/semantics/articleca
dc.description.versioninfo:eu-repo/semantics/publishedVersionca
dc.rights.accessLevelinfo:eu-repo/semantics/openAccess
dc.embargo.termscapca
dc.subject.udc616.3ca
dc.identifier.doihttps://dx.doi.org/10.2186/jpr.JPR_D_20_00008ca


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This is an open-access article distributed under the terms of Creative Commons Attribution License 4.0 (CCBY 4.0), which allows users to distribute and copy the material in any format so long as attribution is given to the author(s). https://creativecommons.org/licenses/by/4.0/deed.ja
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