四种CAD/CAM块材料的梅隆可加工性和机械性能
Nina Attik1,2, Pierre Colon1,3,4, Brigitte Grosgogeat1,2,5
1Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Univ Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France.
European journal of oral sciences
|July 11, 2025
概括
这项研究比较了复合材料和陶CAD/CAM材料. 复合材料块在加工后显示出优越的边缘质量,这表明牙边缘更好地适应后部修复.
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
- 在CAD/CAM技术方面,
背景情况:
- 在牙科修复中,CAD/CAM材料至关重要.
- 评估机械性能和可加工性为临床使用提供了信息.
- 复合材料和陶块提供不同的性能配置文件.
研究的目的:
- 为了比较复合材料 (CS,LU,GR) 和陶 (IR) CAD/CAM块的机械性能和可加工性.
- 根据材料的行为来评估对临床应用的适用性.
- 调查材料类型对加工边缘完整性的影响.
主要方法:
- 机械测试:屈曲强度,模量,断裂性,维克尔硬度 (ISO协议).
- 机械可加工性评估:梅隆断裂方法 (ISO 18675:2022). 机械可加工性评估:梅隆断裂方法 (ISO 18675:2022).
- 表面分析:机械加工边缘的扫描电子显微镜 (SEM).
- 统计学分析:单向ANOVA (α=0.05).
主要成果:
- 格兰迪欧块 (GR) 的屈曲强度最高;初始LRF (IR) 的屈曲模量和维克尔硬度最高.
- 塞拉斯马特 (CS) 显示出最低的断裂性.
- 与陶块 (IR) 相比,SEM揭示了复合材料块的优越边缘完整性.
- 所有材料都符合ISO可加工性标准.
结论:
- 基于复合材料的块显示出更好的边缘质量,可能改善后部牙科修复中的适应性.
- 陶材料提供更高的硬度,适合质更换.
- 材料的选择应考虑特定的临床需求,以获得最佳的恢复结果.
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