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Influence of Heliobond on Immediate Nanoleakge and Microtensile at Resin-Dentin Interface (An In Vitro Study)

机译:Heliobond对树脂-Dentin界面立即发生的纳米渗漏和微张力的影响(一项体外研究)

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Purpose: The purpose of the present study is to evaluate nanoleakage and microtensile bond strength of different resin composite materials bonded to dentin. Material and methods: Teeth will be divided into three main equal groups according to filling material. Each main equal group will be subdivided into two equal subgroups according to application mode (self-etch vs. Etch and rinse mode) (n=20). Then each subgroup will be further divided in to smaller Subgroups. Subgroup 1: using filtek TM Z250 with G-bond plus (G-aenial) (self-etching mode), then application of hydrophopic resin coating (Heliobond). Subgroup 2: using filtek TM Z250 with G-bond plus (G-aenial) (self-etching mode), without application of hydrophobic resin coating (Helio bond). Subgroup 3: using filtek TM Z250 with G-bond plus (G-aenial) (etch and rinse mode), then application of hydrophobic resin coating (Heliobond). Subgroup 4: using filtek TM Z250 with G-bond plus (G-aenial) (etch and rinse mode), without application of hydrophobic resin coating (Heliobond). Conclusion: An extra hydrophobic layer coating improved the immediate in vitro performance (μTBS and NL) of the universal adhesive systems that studied in SE mode. However, NL pattern is material-dependent and aging stability seems not to be related with the adhesive strategy.
机译:目的:本研究的目的是评估与牙本质粘合的不同树脂复合材料的纳米泄漏和微拉伸粘合强度。材料和方法:牙齿将根据填充材料分为三个主要的相等组。根据应用模式(自蚀刻与蚀刻和漂洗模式)(n = 20),每个主要的相等组将被细分为两个相等的子组。然后,每个子组将进一步分为较小的子组。第一组:使用带有G-bond plus(G-aenial)的filtek TM Z250(自蚀刻模式),然后涂覆疏水性树脂涂层(Heliobond)。第2组:使用具有G键加成(G-aenial)(自蚀刻模式)的filtek TM Z250,而不施加疏水性树脂涂层(Helio键)。第3组:使用带有G-bond plus(G-aenial)的filtek TM Z250(蚀刻和冲洗模式),然后涂覆疏水性树脂涂层(Heliobond)。第4组:使用具有G-bond plus(G-aenial)(蚀刻和漂洗模式)的filtek TM Z250,而不施加疏水性树脂涂层(Heliobond)。结论:额外的疏水层涂层改善了在SE模式下研究的通用胶粘剂系统的即时体外性能(μTBS和NL)。但是,NL图案取决于材料,并且老化稳定性似乎与胶粘剂策略无关。

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