层级陶和芯之间的结合强度:的各种表面条件的影响
Abdulaziz A AlHelal1, Syed Rashid Habib1, Saleh Alyousef2
1Department of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.
PeerJ
|December 10, 2025
概括
表面处理显著提高了-陶键强度. 纳米层蚀刻 (Zirface) 和酸蚀刻产生了最高的剪接强度 (SBS),提高了牙修复的耐用性.
科学领域:
- 生物材料科学 生物材料科学
- 牙科材料 牙科材料
- 表面工程是什么?表面工程是什么?
背景情况:
- 的机械性能有利于牙科修复.
- 改善石芯与面板陶之间的结合对于恢复寿命至关重要.
- 表面修改技术对于增强界面相互作用至关重要.
研究的目的:
- 评估和比较各种表面处理对芯的影响.
- 为了确定这些处理对石和层层陶之间的剪接强度 (SBS) 的影响.
- 为了确定最佳的表面准备方法,以改善陶粘附.
主要方法:
- 九十个石样本被分为六组:对照,喷砂 (25,50,110μm Al2O3),酸蚀刻和表面处理.
- 标本被涂上酸玻璃陶,并接受模拟的口内条件 (24小时浸泡在37°C的水中).
- 使用通用测试机测试剪接强度 (SBS),通过ANOVA和Tukey的测试进行统计分析. 使用SEM检查了表面地形和故障模式.
主要成果:
- 表面处理导致最高的平均SBS (26.56 ± 1.25 MPa),其次是酸蚀刻 (23.42 ± 0.94 MPa).
- 使用110μm Al2O3进行沙吹,与25μm (17.16 ± 0.48 MPa) 和50μm (18.06 ± 0.89 MPa) 组相比,SBS (20.53 ± 1.14 MPa) 较高.
- 对照组 (不接受治疗) 显示SBS值最低.
结论:
- 表面处理显著影响石和贴面陶之间的剪接强度.
- 纳米层蚀刻 (Zirface) 和酸蚀刻在增强陶粘附方面是有效的.
- 在喷砂过程中,较大的粉颗粒大小可能有助于提高粘合耐用性.
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