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dc.contributor.authorPong Pongprueksaen_US
dc.contributor.authorJan De Muncken_US
dc.contributor.authorMasanao Inokoshien_US
dc.contributor.authorBart Van Meerbeeken_US
dc.contributor.otherKU Leuven– University Hospital Leuvenen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherTokyo Medical and Dental Universityen_US
dc.date.accessioned2019-08-23T11:01:05Z-
dc.date.available2019-08-23T11:01:05Z-
dc.date.issued2018-04-01en_US
dc.identifier.citationDental Materials. Vol.34, No.4 (2018), 684-692en_US
dc.identifier.issn01095641en_US
dc.identifier.other2-s2.0-85041597694en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85041597694&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/45715-
dc.description.abstract© 2018 The Academy of Dental Materials Objective: To evaluate the effect of the kind and concentration of photo-initiator on the degree of conversion (DC) of adhesives on dentin/glass substrates and their mini-interfacial fracture toughness (mini-iFT) to dentin. Methods: We tested the adhesive Clearfil S3 Bond Plus and 4 derived experimental ‘LUB’ (‘Leuven Univesity Bond’) adhesives (all from Kuraray Noritake), namely ‘LUB-CQ/amine_high’ ‘LUB-CQ/amine_low’ ‘LUB-TPO_high’ and ‘LUB-TPO_low’ respectively containing 2.0 wt% camphorquinone (CQ) and 2.0 wt% EDMAB (amine), 0.35 wt% CQ and 0.35 wt% amine, 2.0 wt% TPO, and 0.35 wt% TPO. For DC, each adhesive was applied onto glass or dentin prior to being cured (Bluephase 20i; Ivoclar Vivadent: “high mode”) for 10 s. DC was measured at 5 min, 10 min, 1 h, 24 h and 1 week using micro-Raman spectroscopy (SENTERRA; BrukerOptik). For mini-iFT, each adhesive was bonded to 320-grit SiC-paper ground dentin and covered with composite (Z100; 3 M ESPE). The restored teeth were cut in sticks (1.5 × 2.0 × 16 mm), after which a single-gradient notch was prepared at the adhesive-dentin interface using a 150-μm diamond blade. The micro-specimens were loaded until failure in a 4-point bending test and the mini-iFT in term of KQvM was calculated. Results: DC was higher on dentin than on glass. All adhesives were adequately polymerized at 1 week, except for LUB-TPO_low. DC at 5 min was significantly higher for LUB-TPO_high than for both CQ/amine-based adhesives. The highest and most reliable mini-iFT was measured for LUB-CQ/amine_high, despite its 5-min DC was relatively low. No correlation between DC and mini-iFT was found. Significance: Curing of TPO-based adhesives is faster, but the dark cure of the CQ/amine-containing adhesives is more efficient. The differences in curing profiles do affect the mechanical properties of the resultant interfaces at dentin.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85041597694&origin=inwarden_US
dc.subjectDentistryen_US
dc.subjectEngineeringen_US
dc.subjectMaterials Scienceen_US
dc.titlePolymerization efficiency affects interfacial fracture toughness of adhesivesen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1016/j.dental.2018.01.015en_US
Appears in Collections:Scopus 2018

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