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An in vitro evaluation of the zirconia surface treatment by mesoporous zirconia coating on its bonding to resin cement

Issue title: Frontiers in Biomedical Engineering and Biotechnology – Proceedings of the 3rd International Conference on Biomedical Engineering and Biotechnology, 25–28 September 2014, Beijing, China

Article type: Research Article

Authors: Zhang, Yanli | Sun, Ting | Liu, Ruoyu | Feng, Xiaoli | Chen, Aijie | Shao, Longquan;

Affiliations: Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China | The Medical Centre of Stomatology, The 1st Affiliated Hospital of Jinan University, Guangzhou 510630, China

Note: [] Corresponding author: Longquan Shao, Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China. Tel.: 15989283921; Fax: 62787153; E-mail: [email protected].

Keywords: Mesoporous zirconia coating, microtensile bond strength, surface treatment, resin cement

DOI: 10.3233/BME-141021

Journal: Bio-Medical Materials and Engineering, vol. 24, no. 6, pp. 2109-2116, 2014

Published: 2014
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Abstract

The effect of zirconia surface treatment by mesoporous zirconia coating on the microtensile bond strength (MTBS) between zirconia and resin cement was investigated in this work. 160 zirconia specimens were prepared and divided into four groups according to surface treatments: (1) airborne-particle-abrasion treatment (APA); (2) glass infiltration and hydrofluoric acid treatment (GI+HF); (3) mesoporous zirconia coating (MZ); and (4) no treatment (C). The as-prepared zirconia specimens were bonded using Panavia F2.0 and RelyX Unicem. The MTBS values were tested using a universal testing machine, and data were analyzed using ANOVA and SNK methods (a=0.05). The MTBS values obtained after GI+HF and MZ treatments were significantly higher than those obtained after APA and C treatments (P<0.05), especially for samples cemented with Panavia F2.0. The results reveal that zirconia surface treatments using GI+HF and MZ yield higher bond strength than those using APA or C, regardless of the resin cements.

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