在单色复合材料和多色复合材料之间对表面粗度和颜色稳定性的比较评估:一个体外研究
Angela Alex1, Vijay Venkatesh1
1Conservative Dentistry and Endodontics, SRM Kattankulathur Dental College and Hospital, Chennai, IND.
Cureus
|August 26, 2024
概括
单色复合树脂在模拟刷毛和饮料浸泡后显示出比多色复合材料更大的变色. 表面粗度也在两种类型之间存在显著差异,影响了颜色稳定性.
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:
- 复合树脂广泛用于美学性牙科修复.
- 表面特性如光泽度,粗度和颜色稳定性对于恢复寿命至关重要.
- 表面粗与复合材料的变色潜力增加有关.
研究的目的:
- 为了比较单色和多色复合树脂的表面粗度和色彩稳定性.
- 评估牙刷磨损和饮料浸泡 (咖啡,有氧饮料) 对这些特性的影响.
主要方法:
- 准备了十个单色和十个多色复合树脂样本,并进行光固化.
- 测量了表面粗度,使用表面形计.
- 在模拟刷牙和七天浸泡在咖啡或空气饮料中之前和之后,使用光谱仪评估颜色稳定性.
主要成果:
- 与多阴影复合材料相比,单阴影复合材料的变色明显更高.
- 在单色复合材料和多色复合材料之间观察到表面粗度和变色的统计学上显著差异.
- 饮料浸泡和模拟刷毛有助于改变颜色和表面特性.
结论:
- 单色复合树脂在接触常见饮料时显示出更大的变色潜力.
- 多色彩复合树脂在相似条件下提供优越的色彩稳定性.
- 表面粗度在牙科复合材料的变色易感性中起作用.
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