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Effect of Exclusive Primer and Adhesive on Microtensile Bond Strength of Self-Adhesive Resin Cement to Dentin

Department of Conservative Dentistry, School of Dentistry, Pusan National University, Dental Research Institute, Yangsan 50612, Korea
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Author to whom correspondence should be addressed.
Bit-Na Kim and Sung-Ae Son contributed equally to this work.
Materials 2020, 13(10), 2353; https://doi.org/10.3390/ma13102353
Received: 17 April 2020 / Revised: 14 May 2020 / Accepted: 19 May 2020 / Published: 20 May 2020
The aim of this study was to investigate the effect of G-CEM One Primer (GCOP) and self-etching adhesive on the microtensile bond strength (µTBS) between self-adhesive resin cement G-CEM One (GCO) and dentin. Teeth were sectioned to expose the flat dentin surface and randomly assigned into five groups (n = 15) according to the dentin surface treatment: 1) no surface treatment, 2) GCOP, 3) All-Bond Universal (ABU), 4) GCOP followed by ABU (GCOP/ABU), 5) ABU followed by GCOP (ABU/GCOP). The composite resin blocks were bonded to the dentin surface using GCO. The specimens were stored in distilled water at 37 °C for 24 h, then sectioned into sticks (1 mm × 10 mm). The μTBS values were statistically analyzed using 1-way analysis of variance (ANOVA) and Tukey’s honestly significant difference (HSD) test (α = 0.05) and failure mode was examined under a stereomicroscope. The bonding interface of each specimen was evaluated using confocal laser scanning microscopy. The GCOP group exhibited the highest µTBS value and there were no significant differences observed between GCOP, GCOP/ABU, ABU/GCOP groups (p > 0.05). The use of GCOP with GCO results in the improved µTBS between GCO and dentin. In conclusion, using only GCOP with GCO for bonding of indirect restoration is extremely simple and increasing bond strength. View Full-Text
Keywords: self-adhesive resin cement; exclusive primer; self-etching adhesive; microtensile bond strength; confocal laser scanning microscopy self-adhesive resin cement; exclusive primer; self-etching adhesive; microtensile bond strength; confocal laser scanning microscopy
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Kim, B.-N.; Son, S.-A.; Park, J.-K. Effect of Exclusive Primer and Adhesive on Microtensile Bond Strength of Self-Adhesive Resin Cement to Dentin. Materials 2020, 13, 2353.

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