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首页> 外文期刊>The journal of adhesive dentistry >Effects of light intensity through resin inlays on the bond strength of dual-cured resin cement.
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Effects of light intensity through resin inlays on the bond strength of dual-cured resin cement.

机译：通过树脂镶嵌物的光强度对双固化树脂水泥粘结强度的影响。

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摘要

PURPOSE: To evaluate the influence of the light intensity, irradiation time, and thickness of the indirect restoration composite on the bond strength of dual-cured resin cement immediately after cementation, applying the resin coating technique. MATERIALS AND METHODS: Three hundred forty composite blocks as an adhesive surface and four thicknesses of indirect restoration composite disks were prepared. The surface of the composite blocks was coated with low-viscosity resin composite and immersed in water for 24 h. After immersion, dual-cured resin cement was applied to the resin-coated surface and the indirect restoration composite disks were placed on it. Light irradiation was performed through four thicknesses of indirect restoration composite disks with conventional halogen (40 s) and high intensity (10, 20, 40 s) light units. The specimens were stored in water at 37 degrees C for 10 min or 24 h, and the tensile bond test was performed. RESULTS: For the 1-mm composite thickness, there were no significant differences in the bond strengths between 10 min and 24 h after cementation with the four light curing methods. For the composite thicknesses of 3 or 4 mm, the bond strength 24 h after cementation was significantly higher than that at 10 min after cementation with conventional halogen (40 s) and high-intensity light units at 10 s and 20 s, but there was no significant difference with the high-intensity light unit applied for 40 s. CONCLUSION: The bond strength of dual-cured resin cement immediately after cementation could be greatly influenced by the irradiation time and the light intensity penetrating the indirect restoration composite.
机译：目的：应用树脂涂覆技术，评估胶结后立即固化的间接修复复合材料的光强度，照射时间和厚度对双固化树脂胶结粘结强度的影响。材料与方法：制备了三百四十个复合块作为粘合表面，并制备了四层厚度的间接修复复合盘。复合块的表面涂有低粘度树脂复合材料，并浸入水中24小时。浸渍后，将双重固化的树脂胶粘剂涂覆到树脂涂覆的表面上，然后将间接修复复合盘放置在其上。通过具有常规卤素灯（40 s）和高强度（10、20、40 s）发光单元的四种厚度的间接修复复合盘进行光照射。将样品在37摄氏度的水中保存10分钟或24小时，然后进行拉伸试验。结果：对于1mm的复合材料厚度，四种光固化方法在胶结后10min和24h之间的粘结强度没有显着差异。对于3毫米或4毫米的复合材料，胶结后24 h的粘结强度显着高于常规卤素灯（40 s）和高强度光单元在10 s和20 s胶结后10 min的粘结强度，但存在与施加40 s的高强度照明单元无明显差异。结论：胶凝后立即固化的双固化树脂胶粘剂的粘结强度受辐照时间和光强度穿透间接修复复合材料的影响较大。

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