Bond strength of resin-based restorative materials to fast-setting calcium silicate cement using different resin adhesive systems.

IF 1.8 4区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE
Bahram Ranjkesh, Hilde M Kopperud, Henrik Løvschall
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Abstract

This study assessed the bond strength of resin-based restorative materials to fast-setting calcium silicate cement (Aarhus Uinversity, Denmark) when treated with each of two one-bottle universal adhesive systems. The cement surface (N = 256) was treated with a self-priming adhesive and a self-etch phosphate monomer-containing adhesive with and without etching of the cement surface. Specimens then received either resin composite or compomer restorative materials (n = 32). The bond strength was measured after 1 day and 1500 thermocycles (n = 16). The failure type was visually inspected. The cement-adhesive-restorative material interface was visualized using scanning electron microscopy (SEM). The data were analyzed using multiple linear regression. Restorative material type, resin adhesive system, and thermocycling had a statistically significant effect on the bond strength. Compomer restorative material and self-etch universal adhesive system demonstrated statistically significantly higher bond strength values to fast-setting calcium silicate cement, predominantly exhibiting cement cohesive failure. Etching the cement surface enhanced the bond strength of the self-priming universal adhesive. Thermocycling significantly reduced the bond strength. SEM showed self-etch universal adhesive seemingly diffused over the etched cement surface compared to other groups. Self-etch phosphate monomer-containing universal adhesive and compomer resulted in the highest bond strength to fast-setting calcium silicate cement.

使用不同树脂粘合剂系统的树脂基修复材料与速凝硅酸钙水泥的粘合强度。
本研究评估了树脂基修复材料与快速固化硅酸钙水泥(丹麦奥胡斯大学)在使用两种单瓶通用粘合剂系统处理时的粘结强度。使用自吸式粘合剂和含磷酸单体的自酸蚀粘合剂处理水泥表面(N = 256),并对水泥表面进行蚀刻和不蚀刻处理。然后,试样接受树脂复合材料或复合材料修复材料(n = 32)。在 1 天和 1500 个热循环后测量粘接强度(n = 16)。对失败类型进行目测。使用扫描电子显微镜(SEM)观察骨水泥-粘接剂-修复材料的界面。使用多元线性回归分析数据。修复材料类型、树脂粘接系统和热循环对粘接强度有显著的统计学影响。从统计学角度看,复合修复材料和自酸蚀通用粘合剂系统与速凝硅酸钙水门汀的粘结强度值明显更高,主要表现为水门汀粘结失效。蚀刻水门汀表面增强了自喷涂通用粘接剂的粘接强度。热循环明显降低了粘接强度。扫描电子显微镜显示,与其他组别相比,自喷通用粘合剂似乎扩散到了蚀刻水泥表面。含磷酸单体的自酸蚀通用粘合剂和复合材料与速凝硅酸钙水泥的粘合强度最高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
European Journal of Oral Sciences
European Journal of Oral Sciences 医学-牙科与口腔外科
CiteScore
3.50
自引率
5.30%
发文量
61
审稿时长
2 months
期刊介绍: The European Journal of Oral Sciences is an international journal which publishes original research papers within clinical dentistry, on all basic science aspects of structure, chemistry, developmental biology, physiology and pathology of relevant tissues, as well as on microbiology, biomaterials and the behavioural sciences as they relate to dentistry. In general, analytical studies are preferred to descriptive ones. Reviews, Short Communications and Letters to the Editor will also be considered for publication. The journal is published bimonthly.
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