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Title: Comparison of shear bond strengths between a mica-based glass-ceramic and human dentin using three different resin cements
Authors: Thapanee Srichumpong
Kallaya Suputtamongkol
Noparat Thongpun
Pimnida Phokhinchatchanan
Sukanda Angkulpipat
Sahadsaya Prasertwong
Giovanni Bolelli
Paolo Veronesi
Cristina Leonelli
Greg Heness
Duangrudee Chaysuwan
University of Technology Sydney
Kasetsart University
Mahidol University
Università degli Studi di Modena e Reggio Emilia
Keywords: Materials Science
Issue Date: 15-Mar-2019
Citation: Journal of the Australian Ceramic Society. Vol.55, No.1 (2019), 47-55
Abstract: © 2018, Australian Ceramic Society. Three resin cements, RelyX™ Ultimate, Panavia F2.0 and RelyX™ U200, were evaluated for their bond strengths between a mica glass-ceramic and human dentin. This research shows that a self-etch dental cement resin system, Panavia F2.0 provided the best bond strength. The glass-ceramic was produced and phases analysed. Biaxial flexural strength and hardness were measured and found to be comparable to that of human enamel and dentin. Bond strength was measured before and after thermocycling. Thermocycling was found to reduce the bond strength. Thermocycling reduced the shear bond strengths of all adhesives by 50–60%. The two-way ANOVA test was used to analyse the data (p = 0.05). Failure modes were analysed, showing failure predominately at the cement/glass-ceramic and dentin/resin cement interfaces. Failure modes changed after thermocycling. The resin cement bond between the dentin and mica glass-ceramics interfaces was examined for failure by optical microscopy (OM) and scanning electron microscopy (SEM).
ISSN: 25101579
Appears in Collections:Scopus 2019

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