F18生物活性玻璃处理的Gutta-Percha对与内牙密封剂的相互作用的影响
David Hernández Maldonado1, José Leandro de Abreu Jampani1, Airton Oliveira Santos-Júnior1
1Department of Restorative Dentistry, São Paulo State University(UNESP), School of Dentistry, Araraquara, São Paulo, Brazil.
Brazilian dental journal
|February 4, 2026
概括
F18生物活性玻璃增强了肠膜表面的生物活性,并提高了与Bio-C Sealer的结合强度. 通过浸泡涂层或合并应用可增强矿化和附着性,提供更好的牙材料性能.
科学领域:
- 生物材料科学 生物材料科学
- 牙科材料研究 牙科材料研究
- 表面化学 表面化学
背景情况:
- 古塔珀卡是一种常见的根管填充材料.
- 改善gutta-percha的生物活性和粘附性对于内牙治疗的成功至关重要.
- 生物活性玻璃提供了增强材料性能的潜力.
研究的目的:
- 为了评估F18生物活性玻璃对gutta-percha表面生物活性的影响.
- 评估F18生物活性玻璃对牙密封剂的肠粘结强度的影响.
- 为了比较F18生物活性玻璃应用的浸涂和合并方法.
主要方法:
- 用F18生物活性玻璃通过浸泡涂层 (2.5-10%) 或合并 (2%) 修改了Gutta-percha盘.
- 表面分析包括PBS浸泡前后的SEM和EDS.
- 使用Bio-C Sealer和AH Plus密封剂进行了拉伸键强度测试.
主要成果:
- 在PBS浸泡后,浸泡涂层的gutta-percha (5%和10%) 显示了F18沉积和生物活性层形成的增强.
- 5%的F18浸层涂层和2%的F18结合的gutta-percha对Bio-C Sealer具有明显更高的结合强度.
- 5%的F18浸层涂层降低了AH Plus的债券强度,而2%的合并没有显著差异.
结论:
- F18生物活性玻璃有助于高塔-珀卡的表面矿化.
- 应用F18生物活性玻璃,特别是通过入涂层或合并,提高了对Bio-C Sealer的粘合强度.
- 应用方法和密封器类型会影响结合强度的结果.
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