酸性表面处理对复合水泥与的剪接强度的影响:一项比较研究
Noor Raed Al Imam1, Abdul Rahman Mohammed Saleh2, Aylin Baysan3
1Department of Conservative Dentistry, College of Dentistry, Mustansiriyah University, Adhamiya Healthcare Sector, Al-Rusafa, Iraqi Ministry of Health, Baghdad, Iraq.
The Saudi dental journal
|November 12, 2025
概括
酸性表面处理,加上空气中的颗粒磨损 (APA),显著提高复合水泥与的剪接强度 (SBS). 这种方法有望提高牙修复的耐用性.
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
- 表面科学是一门学科.
背景情况:
- 是由于其机械性能而被广泛使用的牙科陶.
- 在和复合水泥之间实现持久的附着性对于恢复寿命至关重要.
- 空气中的颗粒磨损 (APA) 是的常见表面处理方法,但其有效性可能有限.
研究的目的:
- 为了评估除APA外,酸性表面处理对结合于的复合水泥的剪接强度 (SBS) 的影响.
- 为了比较APA后两个不同时间的酸性蚀刻剂应用的疗效.
主要方法:
- 60个子立方体被分为三个组:单独APA,APA接着30分钟的Zircos-E蚀刻剂 (ZE),APA接着120分钟的ZE.
- 使用扫描电子显微镜 (SEM) 分析了表面.
- 应用了复合水泥 (自粘或含有MDP的 BisGMA 基水泥原料),并在 24 小时的储水后测试了 SBS.
主要成果:
- 与单独的APA相比,ZE治疗组的SBS显著增加 (p < 0.001).
- 在两个ZE治疗持续时间之间没有发现SBS的显著差异 (p = 0.841).
- 在SEM分析中,ZE.处理的表面上发现了坑和孔隙.
结论:
- 酸性表面蚀刻,当作为APA的辅助使用时,显著提高复合水泥与的剪接强度.
- 酸性蚀刻的持续时间 (30分钟与120分钟相比) 并没有产生键强度的显著差异.
- 酸性表面处理是一种有前途的方法,可以提高基的牙修复的粘合耐久性.
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