自粘浮性复合材料的表面微硬度和耐磨性,与传统浮性复合材料相比
Fateme Azizi1, Fariba Ezoji2, Soraya Khafri3
1Dental Materials Research Center, Department of Operative Dentistry, Faculty of Dentistry, Babol University of Medical Sciences, Babol, Iran.
Frontiers in dentistry
|June 14, 2023
概括
自粘浮性复合材料 (SAF) 的表面硬度低于微混合复合材料. 与传统的流动性复合材料相比,SAF对于高压力区域并不理想.
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
背景情况:
- 复合修复在现代牙科中至关重要.
- 它们的耐用性取决于硬度和耐磨性等机械性能.
- 流动性复合材料提供了易于使用的功能,但需要对机械完整性进行评估.
研究的目的:
- 为了比较自粘浮性复合材料 (SAF) 与常规浮性复合材料的硬度和耐磨性.
- 根据机械性能来评估SAF对临床应用的适用性.
主要方法:
- 一项体外研究涉及50个复合标本,分为五组.
- 测试材料包括三种常规可流动复合材料,一种SAF (Vertise流) 和一种微混合复合材料.
- 在经过广泛的磨损循环后,评估了微硬度 (维克斯) 和耐磨性.
主要成果:
- 与微混合复合材料相比,SAF表现出明显较低的表面微硬度.
- 在测试的可流动复合材料中,没有发现表面硬度的显著差异.
- 在各种复合材料组和磨损周期中,耐磨性没有显著差异.
结论:
- 与微混合复合材料相比,自粘浮性复合材料 (SAF) 的表面硬度较差.
- 在苛刻,高压临床情况下,SAF可能不是常规可流动复合材料的合适替代品.
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