通用复合材料的颜色稳定性,表面粗性和表面形态
Mohammad Meniawi1, Nazlı Şirinsükan2, Esra Can1
1Faculty of Dentistry, Department of Restorative Dentistry, Yeditepe University, Bağdat Caddesi No: 238, Göztepe, Istanbul, Turkey.
Odontology
|April 28, 2025
概括
在接触常见饮料后,通用复合材料显示出临床上不可接受的颜色变化和表面粗度增加. 一种高度填充的可流动复合物表现出优越的色彩稳定性,与咖啡,红葡萄酒和黑茶相比.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料研究 生物材料研究
- 表面工程是什么?表面工程是什么?
背景情况:
- 万能复合材料在恢复性牙科中被广泛使用.
- 评估它们与常见染色剂的长期稳定性对于临床寿命至关重要.
- 表面性能,如粗性和色彩稳定性是材料性能的关键指标.
研究的目的:
- 为了评估表面粗度 (Ra) 和颜色稳定性 (ΔE00) 不同的通用复合材料暴露于染色溶液后.
- 研究这些材料表面粗度和颜色变化之间的相关性.
- 为了比较粘贴型和可流动的通用复合材料的性能.
主要方法:
- 从五种通用复合材料准备了200个复合磁盘.
- 样品被浸泡在黑茶,咖啡,红酒或人工唾液中21天.
- 表面粗度 (Ra) 和颜色变化 (ΔE00) 在基线和特定间隔测量.
主要成果:
- 所有测试的通用复合材料在暴露后都表现出临床上不可接受的颜色变化和表面粗度增加.
- 红葡萄酒造成了最显著的颜色变化,其次是黑茶和咖啡.
- 这种高度填充的可流动的通用复合物在咖啡,红葡萄酒和黑茶中表现出最好的色彩稳定性.
结论:
- 通用复合材料易受普通饮料的变色和表面粗的影响.
- 表面粗度和颜色变化在经过测试的通用复合材料中具有积极的相关性.
- 材料选择,特别是使用高度填充的可流动复合材料,可以影响颜色稳定性.
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