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http://dx.doi.org/10.14368/jdras.2015.31.1.1

Evaluation of mechanical properties of several dual-cure resin cements by curing modes  

Kim, Soo-Yeon (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University)
Park, Se-Hee (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University)
Kim, Jin-Woo (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University)
Cho, Kyung-Mo (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.31, no.1, 2015 , pp. 1-9 More about this Journal
Abstract
Purpose: The purpose of this study was to evaluate the mechanical properties of several dual-cure cements by different curing modes. Materials and Methods: One resin-modified glass ionomer cement (FujiCEM 2), two conventional dual-cure resin cements (RelyX ARC, Multilink N), and two dual-cure self-adhesive resin cements (RelyX U200, G-CEM LinkAce) were used. To evaluate the influence of the curing methods, each cements divided into four conditions (n = 20); Condition 1: self-curing for 10 minutes, Condition 2: immediate after 20 seconds light-curing, Condition 3: 24 hours after self-curing, Condition 4: 24 hours after light-curing. The compressive strength and diametral tensile strength were measured with a universal testing machine. All data were statistically analyzed using t-test, one-way ANOVA and Scheffe's test. Results: The results showed the compressive strength and diametral tensile strength after 24 hours in all curing modes were higher than immediate except RelyX ARC light-cured and Multilink N light-cured. The FujiCEM 2 showed lowest values (P < 0.05). Conclusion: The outcome was cement-depend, but there is no significant difference about compressive strength and diametral tensile strength between dual-cure self-adhesive resin cements and conventional resin cements. And this result will be used as a base line data selecting resin cement for favorable long-term prognosis.
Keywords
resin cement; dual-cure; self-adhesive; compressive strength; diametral tensile strength; curing modes;
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