Interfacial bond strength of CAD/CAM resin composites on dentin vs. composite substrates: Influence of dual-cure and self-adhesive resin cements

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dc.authorid0000-0002-1552-2819
dc.authorid0000-0002-6139-802X
dc.authorid0000-0002-8931-7308
dc.authorid0000-0003-4982-3705
dc.authorid0000-0001-9321-1031
dc.contributor.authorBatgerel, Oyun Erdene
dc.contributor.authorYazıcıoğlu, Oktay
dc.contributor.authorKıtın, Emine
dc.contributor.authorGençel, Burç İhsan
dc.contributor.authorYamak, Fatih
dc.contributor.authorErgün Bozdağ, Süreyya
dc.contributor.authorSasany, Rafat
dc.date.accessioned2026-02-10T11:30:02Z
dc.date.available2026-02-10T11:30:02Z
dc.date.issued2026
dc.departmentFakülteler, Diş Hekimliği Fakültesi, Klinik Bilimler Bölümü, Diş Hastalıkları ve Tedavisi Ana Bilim Dalı
dc.description.abstractThis in vitro study evaluated the shear bond strength (SBS) of four CAD/CAM (Computer aided design/Computer aided manufacturing) polymer-based indirect composites bonded to dentin and microhybrid composite substrates using two resin cements. Gradia Plus (GP), Ceramage (Ce), Tescera ATL (TA), and Lava Ultimate (LA) were fabricated into cylindrical specimens (3 × 3 mm). Dentin substrates were obtained from extracted molars, while composite substrates were prepared from Filtek Z250 (4 mm × 2 mm). Bonding was performed using either a self-adhesive resin cement (RelyX U200; RU200) or a dual-cure adhesive resin cement (RelyX Ultimate; RU), resulting in 16 experimental groups (n = 12 per group). SBS was measured using a universal testing machine (1 mm/min), and failure modes were assessed under stereomicroscopy. Bond strength was significantly higher on composite substrates than on dentin (p < 0.001), primarily due to favorable polymer– polymer compatibility and matrix interdiffusion, which improved stress accommodation at the adhesive interface. TA and Ce showed superior adhesion when combined with RU, while LA exhibited the lowest values, particularly on dentin bonded with RU200. Overall, the dual-cure adhesive system provided stronger bonding than the self-adhesive system (p < 0.05). These findings highlight the influence of substrate type, composite architecture, and cement chemistry on interfacial performance in indirect polymer-based restorations.
dc.description.sponsorshipThis work was supported by the Istanbul University Scientific Research Projects. Project No: 36980. Bu çalışma İstanbul Üniversitesi Bilimsel Araştırma Projeleri tarafından desteklenmiştir. Proje No: 36980.
dc.identifier.citationBatgerel, O. E., Yazıcıoğlu, O., Kıtın, E., Gençel, B. İ., Yamak, F., Ergün Bozdağ, S., & Sasany, R. (2026). Interfacial bond strength of CAD/CAM resin composites on dentin vs. composite substrates: Influence of dual-cure and self-adhesive resin cements. Polymers, 18(2), pp. 1-14. https://doi.org/10.3390/polym18020224
dc.identifier.doi10.3390/polym18020224
dc.identifier.endpage14
dc.identifier.issn2073-4360
dc.identifier.issue2
dc.identifier.pmidPMID: 4159952
dc.identifier.scopus2-s2.0-105028570927
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.3390/polym18020224
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1311
dc.identifier.volume18
dc.identifier.wosWOS:001672093900001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expanded
dc.institutionauthorKıtın, Emine
dc.institutionauthorid0000-0002-8931-7308
dc.language.isoen
dc.publisherMDPI Publishing
dc.relation.ispartofPolymers
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectComposite
dc.subjectInterfacial Bond Strength
dc.subjectSelf-Adhesive Resin Cements
dc.titleInterfacial bond strength of CAD/CAM resin composites on dentin vs. composite substrates: Influence of dual-cure and self-adhesive resin cements
dc.typeArticle
dspace.entity.typePublication

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