基于基底结构材料和陶贴面技术的剪接强度的评估
Han-Sol Song1, Yoon-Hyuk Huh1, Chan-Jin Park1
1Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University, Gangneung, Republic of Korea.
概括
与分层相比,压力技术提高了使用伊特里亚稳定 (3Y-TZP) 基结构的双层牙科修复的粘合强度. 然而,当使用这种技术时,-基结构显示出比3Y-TZP更好地与分层结合.
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
- 陶工程 陶工程 陶工程
背景情况:
- 双层牙科修复结合了强大的基底结构和美观的 Veneers.
- 确保基板和板材料之间有足够的粘接对于恢复寿命至关重要.
- 材料选择和制造技术显著影响双层修复的粘合强度.
研究的目的:
- 为了评估双层修复的剪接强度 (SBS).
- 为了比较基于不同基底结构材料的SBS:- (Co-Cr) 合金和3mol%的伊稳定四角聚晶 (3Y-TZP).
- 评估涂层技术 (压缩与分层) 对SBS的影响.
主要方法:
- 四个实验小组使用Co-Cr或3Y-TZP基结构和压力或分层贴面技术 (n=15个小组) 建立.
- 面板被应用到圆盘形的基层结构.
- 使用通用测试机测量剪接强度,然后进行故障模式分析和SEM/EDS表面检查.
主要成果:
- 压技术导致SBS显著高于分层技术 (p < 0.05).
- 对于3Y-TZP亚结构,压缩产生的SBS比分层更高 (p < 0.05).
- 使用分层技术,Co-Cr亚结构显示出比3Y-TZP更高的SBS (p <0.05). 在Co-Cr中发现了广泛的元素间扩散,在压3Y-TZP中更为如此.
结论:
- 压技术优于3Y-TZP亚结构的双层修复中实现更高的结合强度.
- 在使用分层技术时,Co-Cr亚结构表现出比3Y-TZP更好的粘合.
- 在基于3Y-TZP的双层修复中,材料选择,特别是基结构和板之间的热兼容性至关重要.
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