青果汁污染了一种玻璃树脂修饰的玻璃离子体水泥
Helena Pfeffer1, Larissa O Garda1, Bianca M Maran1
1Universidade Estadual do Oeste do Paraná, Curso de Odontología, Cascavel, Brasil.
Acta odontologica latinoamericana : AOL
|June 26, 2024
概括
阿萨伊染色会影响树脂修饰玻璃离子体水泥 (RMGIC) 的颜色,果汁会造成最显著的变化. 然而,açaí在这个体外研究中没有改变RMGIC的表面粗度.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料是一种生物材料.
- 恢复性牙科 恢复性牙科
背景情况:
- 树脂改性玻璃离子体水泥 (RMGIC) 容易受到青中发现的色合物,如安东素的染色.
- 评估牙修复材料在接触饮食剂时的美学稳定性对于临床寿命至关重要.
研究的目的:
- 评估açaí (果汁和糖果) 对RMGIC表面颜色和粗度的体外影响.
- 为了确定açaí消费是否会损害RMGIC修复的美学特性.
主要方法:
- 盘状的VitremerTM标本被暴露在人工唾液 (对照组),açaí糖和açaí果汁中14天.
- 使用光谱仪测量了颜色变化 (CIELa*b* 尺度),用 profilometer 评估了表面粗度 (Ra).
- 标本每天在37°C进行浸泡,在基线和暴露后分析颜色和粗度.
主要成果:
- 阿赛果汁呈现出最高的颜色变化 (ΔE*=7.8) 和亮度变化 (ΔL*=7.7),与唾液和糖相比有显著差异.
- 阿赛果汁和糖都引起了显著的颜色变化,果汁显示出更大的影响.
- 对于任何测试的溶液,没有观察到表面粗度 (ARa) 的显著变化.
结论:
- 阿赛,特别是阿赛汁,会在RMGIC上造成不可接受的颜色染色,影响其美学.
- 尽管有显著的颜色变化,但açaí不会导致RMGIC的表面粗度发生显著变化.
- 临床医生在放置RMGIC修复时应考虑açaí的染色潜力,特别是在可见的区域.
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