修饰方案对牙表面特征和牙间接修复的牙准备后的结合强度的影响
Paola Bernardes1, Amanda das Graças Soares1, Bárbara Inácio de Melo1
1Graduate student, Graduate Program in Dentistry, Federal University of Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil.
The Journal of prosthetic dentistry
|September 12, 2025
概括
完成方案显著影响牙表面粗度,涂抹层和间接修复的粘合强度. 树脂涂层和特定的磨石增强粘附性,可能提高恢复寿命.
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:
- 间接修复的临床寿命取决于对准备好的牙结构的有效粘合.
- 在制备后,牙表面的最佳特性对于实现持久的粘合键至关重要.
- 目前的完成方案对牙表面特性和随后的结合强度的影响尚未完全阐明.
研究的目的:
- 研究各种牙加工技术对表面粗度,形态和涂抹层形成的影响.
- 评估这些完成方案对树脂矩阵玻璃陶对牙的结合强度的影响.
- 为了将表面特征与结合强度结果在体外相关联.
主要方法:
- 使用扫描电子显微镜 (SEM) 进行准备仪器的表征.
- 准备144个人类第三牙,然后将其分配给各种装饰组 (例如,钻石旋转,碳化物,超声波尖端,安装石头,空气磨损,树脂涂层).
- 评估表面粗度,形态,涂抹层厚度 (SEM/ImageJ) 和微拉伸键强度,并进行统计分析 (ANOVA,皮尔森相关性,奇二次测试).
主要成果:
- 与对照组相比,所有测试的完成方案都显著改变了牙表面的特性,并改善了结合强度.
- 树脂涂层 (RC) 和安装的碳化/氧化石 (MS) 显示出最高的结合强度.
- 在表面粗度,涂抹层厚度和键强度之间观察到较弱的相关性,表明复杂的相互作用.
结论:
- 登的完成方案显然影响了表面粗度,涂抹层特性和粘合剂粘合强度.
- 树脂涂层或精细/超精细的磨砂石 (SiC/Al2O3) 的应用显示出增强牙粘合力的潜力.
- 这些优化完成策略可能会改善间接牙科修复的临床结果和寿命.
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