混凝土类型的影响,多余的去除,以及对混凝土接头的抛光
Quintessence international (Berlin, Germany : 1985)
|December 18, 2023
概括
选择的凝固系统和过剩去除技术显著影响到复合冠的边际间隙尺寸. 抛光提高了间隙质量,特别是在玻璃离子体和树脂基水泥.
科学领域:
- 牙科材料科学 牙科材料科学
- 牙修复 牙修复 牙修复 牙修复 牙修复
- 生物材料工程 生物材料工程
背景情况:
- 牙修复的精确边缘适合对于长期成功至关重要.
- 凝固系统和后凝固程序会影响边际差距.
- 了解这些因素是最大限度地减少二次牙和牙周问题的关键.
研究的目的:
- 评估不同水泥化系统对边缘隙间宽度和深度的影响.
- 评估各种多余水泥清除技术对边缘间隙尺寸的影响.
- 为了确定抛光对复合冠的边缘差距质量的影响.
主要方法:
- 用五种不同的水泥类型 (酸,玻璃离子体,树脂增强玻璃离子体,双固化复合材料,自粘复合材料) 将八十个复合材料的皇冠在人工牙上.
- 使用不同的方法 (缩放器,擦拭) 和固化模式 (光固化,暗固化) 来去除多余的水泥.
- 在抛光或储存后,使用3D激光扫描显微镜量化边际隙间宽度和深度.
主要成果:
- 边际间隙宽度在65.1 ± 15.7μm至208.6 ± 266.7μm之间,深度在29.8 ± 22.2μm至89.5 ± 45.2μm之间.
- 根据光材料,过量去除方法和抛光,观察到对隙宽度和深度的显著影响.
- 带有擦拭和抛光的双固化粘合复合材料产生了最小的间隙尺寸.
结论:
- 炼材料和过剩清除技术是边缘间隙尺寸的关键决定因素.
- 抛光对边际差距质量产生有益影响,特别是在玻璃离子水泥 (GIC) 和基于树脂的系统中.
- 优化的凝固和术后协议对于在牙科修复中实现卓越的边缘完整性至关重要.
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