脱矿化模型对微硬度,表面粗度和地形学的影响:一个体外研究研究
Luz Alejandra Hernández-Mendieta1, Rogelio José Scougall-Vilchis1, Laura Emma Rodríguez-Vilchis1
1Facultad de Odontología, Centro de Investigación y Estudios Avanzados en Odontología (CIEAO), Universidad Autónoma del Estado de México, Toluca, Estado de México, México.
Microscopy research and technique
|September 7, 2023
概括
与树脂基材料相比,Giomer牙科材料在去矿物化条件下表现出优越的微硬度保留. 表面粗度和地形变化可预测,支持这些giomers的临床建议.
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
- 表面化学 表面化学
背景情况:
- 牙修复材料容易在口腔环境中降解.
- 一种牙科材料Giomers,由于其独特的组成,提供了潜在的优势.
- 了解在去矿物化过程中的材料行为对于临床寿命至关重要.
研究的目的:
- 评估一种去矿物化模型对giomers和基于树脂的牙科材料的影响.
- 为了比较微硬度,表面粗度和地形变化之间的giomers和控制材料.
- 为了评估这些材料在模拟去矿化后的临床适用性.
主要方法:
- 维克斯微硬度,表面粗度和原子力显微镜用于分析.
- 在三种呈现形式中测试了六种牙科材料 (三种giomers,三种树脂基).
- 材料被沉浸在去矿物化模型中长达7天.
主要成果:
- 脱矿化降低了微硬度,而金体显示较低的减少.
- 在大多数组中,表面粗度显著增加,观察到特定的模式.
- 地形分析揭示了微观形态的变异,特别是在巨人.
结论:
- 比起基于树脂的材料,Giomers表现出比基于树脂的材料更好的微硬度抵抗去矿化.
- 观察到表面性质的变化,但并不排除临床使用.
- 根据其性能,评估的giomers被推用于临床应用.
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