两种树脂水泥的结合强度与使用不同结合剂的白酸增强陶
Natsuko Aida1, Kiyono Koi2, Silvia Patricia Amaya-Pajares3
1Department of Biochemistry, Tokyo Dental College, Chiyoda-ku, Tokyo, Japan.
The journal of contemporary dental practice
|January 18, 2024
概括
这项研究将树脂水泥的粘合强度与使用不同粘合剂的陶修复进行了比较. 结果显示,结合强度没有显著差异,这表明牙科专业人员在材料选择方面具有灵活性.
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
- 粘合式牙科 粘合式牙科
背景情况:
- 牙科修复需要在水泥,陶和牙结构之间建立牢固的纽带.
- 优化结合强度对于间接牙科修复的长寿和成功至关重要.
- 在现代牙科中,石增强陶和CAD/CAM技术被广泛使用.
研究的目的:
- 为了比较两种树脂水泥与石增强陶的结合强度.
- 评估三种不同的粘合剂与这些水泥一起使用的有效性.
- 在临床环境中评估各种粘合剂的兼容性和性能.
主要方法:
- 微拉力键强度 (μTBS) 测试是在与CAD/CAM陶块结合的人类牙上进行的.
- 使用两种树脂水泥 (Variolink II,Multilink Automix) 和三种粘合剂 (Scotchbond多用途Plus,Multilink初始剂,Clearfil SE Bond 2) 建立了四个实验组.
- 统计分析包括单向ANOVA和Tukey hoc后期测试,以比较债券强度和断裂模式.
主要成果:
- 使用Variolink II和Scotchbond多用途Plus (13.67MPa) 观察到最高的μTBS,而使用Multilink Automix和Multilink Primer显示最低的 (10.84MPa).
- 在测试的不同结合剂中,没有发现债券强度的统计学上显著差异.
- 观察到的主要故障模式是水泥-陶块接口的粘合器故障.
结论:
- 树脂水泥和粘合剂组合的选择并没有显著影响CAD/CAM陶修复和牙的粘合强度.
- 临床医生可以通过使用通用结合剂来简化库存,无论是直接还是间接的恢复.
- 进一步的研究可能会探索这些材料组合的长期耐用性和临床性能.
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