均组成的多色多层牙科的微观结构,物理和机械特性
Konstantinos Dimitriadis1,2, Dimitrios Moschovas2, Dilshat U Tulyaganov3
1Division of Dental Technology, Department of Biomedical Sciences, University of West Attica, Athens, Greece.
European journal of oral sciences
|October 21, 2023
概括
这项研究比较了多层齐尔科尼亚牙材料,发现不同含有氧化的含量对微观结构和机械性能的影响最小. 这些陶适用于牙科修复.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 牙科陶 牙科陶 的使用.
背景情况:
- 多色多层石越来越多地用于牙科修复.
- 了解成分的影响,特别是氧化物 (Y2O3) 含量,对于材料选择至关重要.
- 商业上均组成的石块的可用性需要对属性进行评估.
研究的目的:
- 为了比较三种商业牙科多色多层石材料的微观结构,物理和机械性能.
- 研究不同含有氧化 (Y2O3) 含量对这些特性的影响.
- 评估这些石材料对于牙科修复的临床适用性.
主要方法:
- 实验性比较三种具有不同Y2O3含量 (3,4和5mol%) 的基材料.
- 微结构分析 (颗粒和晶体大小) 和机械性能测试.
- 使用单向ANOVA进行统计分析以确定显著性.
主要成果:
- 生产了具有密集微型和纳米结构的均陶.
- 增加的Y2O3含量与较大的颗粒和晶体尺寸相关.
- 机械性能值显示,Y2O3含量较高时略有下降,但差异在统计学上是微不足道的.
结论:
- 经过测试的多色多层石陶具有适合牙科修复的性能.
- 含有Y2O3的微小变化 (3-5mol%) 并不会显著影响临床性能或骨折耐受性.
- 削技术有效地生产出适合牙科应用的均组成的.
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