CAD/CAM混合修复材料和通用粘合剂的长期粘合效率
N Bashary1, J Brewster2, P Gill1
1Department of Biomaterials & Biomimetics, New York University College of Dentistry, NY, USA.
概括
与其他材料相比,纳米陶增强聚合物矩阵 (NCPM) 在牙科修复中表现出优越的长期结合强度. 随着时间的推移,通用粘合剂 (UA) 保持了粘合完整性,特别是在更多的水友性配方中.
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,包括办公室内和实验室磨砂假肢,是现代牙科的基础.
- 确保这些修复的长期耐用性和粘合性对于临床成功和患者的结果至关重要.
研究的目的:
- 评估和比较CAD/CAM假肢中使用的不同修复材料的长期粘合耐用性.
- 评估通用粘合剂 (UA) 与传统的西兰系统在老化后保持粘合强度方面的有效性.
主要方法:
- 两个CAD/CAM修复材料,纳米陶增强聚合物矩阵 (NCPM) 和聚合物透陶网络 (PICN),与二氧化玻璃陶 (LDS) 一起进行了测试.
- 用四种通用粘合剂和锡兰系统将样品粘合在一起,然后在5万个热循环后接受微拉伸粘合测试.
- 统计分析 (ANOVA和后期测试) 用于比较不同组的平均债券强度.
主要成果:
- 无论使用哪种粘合剂或技术,NCPM始终表现出高强度的债券.
- 聚合物透陶网 (PICN) 和脱酸玻璃陶 (LDS) 与传统的西兰相比,具有较低的粘合强度.
- 更多的水友性通用粘合剂导致测试材料的粘合强度更高.
结论:
- 与传统方法相比,玻璃陶与通用粘合剂的粘合强度有所降低,但这些粘合剂有效地长期保留了粘合接口.
- 尼泊尔人民银行 (NCPM) 的债券强度高于PICN和LDS,突出了其持久间接恢复的潜力.
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