对CAD-CAM材料和落叶牙和永久牙的质进行机械和结构性表征
Kanae Wada1,2, Sufyan Garoushi1, Junichiro Wada1,3
1Department of Biomaterials Science and Turku Clinical Biomaterials Centre -TCBC, Institute of Dentistry, University of Turku.
Dental materials journal
|February 9, 2025
概括
计算机辅助设计/计算机辅助制造 (CAD-CAM) 材料在恢复落叶牙方面表现有前途. 它们的纳米硬度和弹性模量与天然牙密切匹配,表明它们适用于牙科应用.
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
- 恢复性牙科 恢复性牙科
背景情况:
- 计算机辅助设计/计算机辅助制造 (CAD-CAM) 材料在修复牙科中越来越多地使用.
- 评估CAD-CAM材料的机械性质对于其临床应用至关重要,尤其是在模拟自然牙结构时,如落叶牙.
研究的目的:
- 与落叶牙相比,评估各种CAD-CAM材料的材料特性和临床适用性.
- 为了确定CAD-CAM块是否表现出可比的纳米硬度和纳米降低的弹性模量与叶状质.
主要方法:
- 在实验性纤维增强CAD-CAM复合材料 (FRC),二氧化陶 (IPS),混合陶 (VEM),复合树脂,PMMA和叶片/永久牙面上进行了纳米沉积测试.
- 能量分散式X射线光谱 (EDS) 与扫描电子显微镜 (SEM) 结合使用来分析元素组成和微观结构.
主要成果:
- 与纤维增强的CAD-CAM复合材料 (FRC),VEM陶和IPS在纳米硬度和纳米降低弹性模量方面没有显著差异.
- 经过测试的CAD-CAM材料显示出足够的纳米硬度,纳米降低的弹性模量和坚固的微观结构.
结论:
- 几种CAD-CAM材料具有合适的机械性能和微观结构完整性,可用于落叶牙的修复性治疗.
- 这些发现支持CAD-CAM技术在儿科牙科中的潜力,用于制造母牙的全冠.
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