纳米涂层正牙微型植入物的抗菌行为:一项体外研究
Samer Salim Othman1, Amr Abd-Elmonaem El-Waseif2, Mohammed Abdullah Hameed3
1Department of Clinical Dental Sciences, College of Dentistry, Ibnsina University of Medical and Pharmaceutical Sciences, Baghdad, Iraq.
Journal of orthodontic science
|March 22, 2024
概括
用二氧化 (TiO2) 和氧化 (ZnO) 纳米颗粒涂覆正微植入物可以增强其抗菌性能. 这种表面修饰在防止生物膜形成和提高植入成功率方面表现有前途.
科学领域:
- 生物材料科学 生物材料科学
- 牙正材料 牙正材料
- 纳米技术 纳米技术
背景情况:
- ортодонтика微植入器的失败率可能高达30%,需要改进的表面处理.
- 纳米颗粒沉积是一种有前途的方法,可以提高正牙器件的性能.
研究的目的:
- 为了评估二氧化 (TiO2) 和氧化 (ZnO) 纳米颗粒作为 ортодонтических微植入物涂层的抗菌功效.
- 评估这些纳米粒子涂层对植入物表面特征和抗菌活性的影响.
主要方法:
- 三十个合金微植入器被分为三个组:控制 (无涂层),TiO2涂层 (直流喷涂),TiO2/ZnO涂层 (直流喷涂和激光真空).
- 使用扫描电子显微镜 (SEM) 和能量分散谱法 (EDS) 进行了表面表征.
- 对抗菌感应性被测试对抗阳性和阴性细菌.
主要成果:
- SEM和EDS证实了微植入物上TiO2和TiO2/ZnO涂层的成功.
- 与没有涂层的对照组相比,TiO2-和TiO2/ZnO涂层的微植入物都表现出明显增强的抗菌活性.
结论:
- 用TiO2和ZnO纳米颗粒涂覆正微植入器是一种重要的表面修饰策略.
- 这些纳米粒子涂层显示出改善骨质整合和防止在正牙微型植入物上形成生物膜的潜力.
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