Sarah Abdel-Gawad, Elisabeth Dursun, Romain Ceinos, Stéphane Le Goff, Timothy Fasham, Jean-Pierre Attal, Philippe Francois
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引用次数: 0
摘要
目的：本研究的目的是调查最近开发的三种基于不同模式的 "通用 "树脂胶结水门汀的牙本质剪切粘结强度（SBS）和粘结界面：研究了最近推出的三种 "通用型 "树脂粘结水门汀（即 G-Cem One、RelyX Universal 和 Panavia SA 水泥通用型）的牙本质 SBS 和界面分析。对所有粘接方案进行了研究，包括之前在接触固化模式或光固化模式下使用的专用底漆或通用粘合剂。Variolink Esthetic LC 与 Scotchbond Universal Plus 结合使用作为对照组。对每组（n = 9）的 10 个试样进行牙本质 SBS 测试，对其中两个试样进行扫描电子显微镜检查。SBS 采用双向方差分析，然后进行邓尼特检验：SBS 值显示，三种 "通用 "树脂搪瓷水门汀的粘接性能各不相同。与对照组（22.1 兆帕）相比，G-Cem One 与牙本质的 SBS 值（25.5 兆帕）更高：结论：在自固化模式下，"通用 "树脂搪瓷水门汀的功效各不相同。结论："通用型 "树脂搪瓷水门汀在自固化模式下的功效不一，触碰固化模式也令人担忧，但某些配方可能具有很高的潜力。
Touch-cure activation by marketed universal resin luting cements of their associated primer to dentin
Purpose: The aim of this study was to investigate the dentin shear bond strength (SBS) and bonding interface of three recently developed “universal” resin luting cements based on different modalities.
Methods: The dentin SBS and interfacial analysis of three recently launched “universal” resin luting cements, namely, G-Cem One, RelyX Universal and Panavia SA cement universal, were studied. All bonding protocols, including the previous use of their dedicated primer or universal adhesive in touch-cure mode or light-cure mode were performed. Variolink Esthetic LC used in conjunction with Scotchbond Universal Plus was used as a control group. For each group (n = 9), 10 specimens were tested for dentin SBS and two were examined by scanning electron microscopy. SBS were analyzed by two-way ANOVA followed by Dunnett’s test.
Results: SBS values showed that the three “universal” resin luting cements tested exhibit different adhesive behaviors. G-Cem One with its touch-cure activated primer had a greater SBS to dentin (25.5 MPa) than that of the control group (22.1 MPa).
Conclusion: “Universal” resin luting cements have variable efficacy when used in self-curing mode. The touch-curing mode is also of concern but may show high potential for some formulations.
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