清洁剂对污染的结合强度的有效性
Leen Musharbash1, Kushaldeep Fnu1, Fusun Ozer1
1Preventive and Restorative Sciences, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
概括
空气颗粒磨损 (APC) 证明了树脂对受污染的的最高结合强度. 化学清洁剂是替代品,但热循环在所有测试的清洁方法中降低了结合强度.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 粘合式牙科 粘合式牙科
背景情况:
- 氧化表面的污染可能会损害树脂结合强度.
- 有效的清洁方案对于持久的修复至关重要.
- 在模拟的口腔内条件下评估清洁方法至关重要.
研究的目的:
- 为了评估不同清洁方法对树脂-烯酸结合强度的有效性.
- 为了比较空气颗粒磨损,卡塔纳清洁剂,伊沃克莱恩和齐尔克莱恩.
- 为了研究热循环对结合耐久性的影响.
主要方法:
- 石样本被唾液污染,并使用空气颗粒磨损 (APC),卡塔纳清洁剂 (KC),伊沃克莱恩 (IC) 或克莱恩 (ZC) 进行清洁.
- 应用了复合树脂水泥,并在10,000个热循环前后测量了剪接强度 (SBS).
- 使用立体显微镜分析了故障模式.
主要成果:
- 与其他清洗方法相比,空气颗粒磨损 (APC) 产生了明显更高的剪接强度 (SBS).
- 所有测试的清洗方法都显示在热循环后SBS减少.
- 在热循环前后条件之间观察到SBS的显著差异.
结论:
- 空气颗粒磨损 (APC) 是清洁受污染的石的最有效方法,以增强树脂粘合.
- 化学清洁剂 (KC,IC,ZC) 提供了可行的替代物,用于氧化表面的消毒.
- 热循环显著降低了树脂结合强度,强调了长期稳定性评估的重要性.
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