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Dent. J. 2017, 5(3), 23; doi:10.3390/dj5030023

Effect of the Surface Treatment Method Using Airborne-Particle Abrasion and Hydrofluoric Acid on the Shear Bond Strength of Resin Cement to Zirconia

1
Department of Dentistry, Catholic University of Daegu School of Medicine, Daemyung-4-dong, Nam-gu, Daegu 42472, Korea
2
Department of Prosthodontics, School of Dentistry, Kyungpook National University, 2-188-1 Samduk-dong, Jung-gu, Daegu 41940, Korea
*
Author to whom correspondence should be addressed.
Received: 13 May 2017 / Revised: 21 June 2017 / Accepted: 14 July 2017 / Published: 17 July 2017
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Abstract

The purpose of this study was to evaluate the shear bond strength (SBS) of two different resin cements (Panavia F 2.0 (Kuraray Medical Inc, Okayama, Japan) and Variolink N (Ivoclar Vivadent AG, Schaan, Liechtenstein)) to 112 zirconia specimens with airborne-particle abrasion and 20%, 30%, or 40% hydrofluoric acid (HF) for 1 or 2 h. A total of eight specimens were used to observe the phase transformation after surface treatments. Six specimens were treated only with HF etching and the average surface roughness (Ra) was analyzed. A one-way ANOVA test was applied for SBS and the effect of HF concentration on Ra. An independent t-test was performed for the comparison of Panavia F 2.0 and Variolink N, and the influence of the HF application time on Ra. A higher HF solution increased SBS and Ra. HF etching produced a lower rate of monoclinic phase transformation. Panavia F 2.0 showed a higher SBS than Variolink N. View Full-Text
Keywords: zirconia; airborne-particle abrasion; hydrofluoric acid; shear bond strength zirconia; airborne-particle abrasion; hydrofluoric acid; shear bond strength
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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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Lee, J.-H.; Lee, C.-H. Effect of the Surface Treatment Method Using Airborne-Particle Abrasion and Hydrofluoric Acid on the Shear Bond Strength of Resin Cement to Zirconia. Dent. J. 2017, 5, 23.

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Dent. J. EISSN 2304-6767 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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