A novel porous silica-zirconia coating for improving bond performance of dental zirconia

立方氧化锆 材料科学 扫描电子显微镜 涂层 复合材料 多孔性 浸涂 化学工程 陶瓷 冶金 工程类
作者
Zhen Su,Mingxing Li,Ling Zhang,Chaoyang Wang,Leiqing Zhang,J.L. Xu,Bojie Fu
出处
期刊:Journal of Zhejiang University-science B [Springer Nature]
卷期号:22 (3): 214-222 被引量:7
标识
DOI:10.1631/jzus.b2000448
摘要

To coat a zirconia surface with silica-zirconia using a dip-coating technique and evaluate its effect on resin-zirconia shear bond strength (SBS).A silica-zirconia suspension was prepared and used to coat a zirconia surface using a dip-coating technique. One hundred and eighty-nine zirconia disks were divided into three groups according to their different surface treatments (polishing, sandblasting, and silica-zirconia coating). Scanning electron microscopy (SEM), energy dispersive X-ray (EDX), and X-ray diffraction (XRD) were used to analyze the differently treated zirconia surfaces. Different primer treatments (Monobond N, Z-PRIME Plus, and no primer) were also applied to the zirconia surfaces. Subsequently, 180 composite resin cylinders (Filtek Z350) were cemented onto the zirconia disks with resin cement (RelyX Ultimate). The SBS was measured after water storage for 24 h or 6 months. The data were analyzed by two-way analysis of variance (ANOVA).SEM and EDX showed that the silica-zirconia coating produced a porous layer with additional Si, and XRD showed that only tetragonal zirconia was on the silica-zirconia-coating surface. Compared with the control group, the resin-zirconia SBSs of the sandblasting group and silica-zirconia-coating group were significantly increased (P<0.05). The silica-zirconia coating followed by the application of Monobond N produced the highest SBS (P<0.05). Water aging significantly reduced the resin-zirconia SBS (P<0.05).Dip-coating with silica-zirconia might be a feasible way to improve resin-zirconia bonding.
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