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Comparison of Self-Etching Ceramic Primer and Conventional Silanization to Bond Strength in Cementation of Fiber Reinforced Composite Post

1
Department of Advanced General Dentistry, College of Dentistry, Yonsei University, Seoul 03722, Korea
2
Department of Conservative Dentistry, College of Dentistry, Yonsei University, Seoul 03722, Korea
3
Department of Conservative Dentistry, Oral Science Research Center and Microscope center, College of Dentistry, Yonsei University, Seoul 03722, Korea
*
Author to whom correspondence should be addressed.
Materials 2019, 12(10), 1585; https://doi.org/10.3390/ma12101585
Received: 17 April 2019 / Revised: 14 May 2019 / Accepted: 14 May 2019 / Published: 15 May 2019
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Abstract

Various mechanical and chemical surface treatments have been proposed to improve the retention of fiber-reinforced composite post (FRCP), but the results are still controversial. The bond strength and durability of a self-etching ceramic primer, which was recently released as an alternative to etching and silane, are not yet known. This study aimed to compare and evaluate the push-out bond strength of different surface treatments of FRCPs after an artificial aging procedure. Four groups (n = 10) were established to evaluated FRCP surface treatments (dentin adhesive bonding; silane and adhesive bonding; hydrofluoric acid, silane and adhesive bonding; and a self-etching ceramic primer). They were bonded with dual-curing rein cement (Multilink N) and stored in distilled water at 37 °C for 30 days, then thermal cycled for 7500 cycles. After being sectioned into 1 mm thickness, each coronal and apical part was evaluated for its the push-out bond strength by a universal testing machine. Each debonded specimen was observed by an optical microscope and divided according to the failure modes. The results showed that silane treatment significantly improved push-out bond strength, but the self-etching ceramic primer did not do so. Additional hydrofluoric acid treatment or the adhesive bonding agent alone did not significantly improve the retention of FRCPs. Cohesive failure of the luting material was found most frequently in all groups. View Full-Text
Keywords: Self-etching ceramic primer; FRC post; push-out bond strength; surface treatment Self-etching ceramic primer; FRC post; push-out bond strength; surface treatment
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Pang, N.-S.; Jung, B.-Y.; Roh, B.-D.; Shin, Y. Comparison of Self-Etching Ceramic Primer and Conventional Silanization to Bond Strength in Cementation of Fiber Reinforced Composite Post. Materials 2019, 12, 1585.

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