纳米-氧亚帕涂层植入物的抗菌效果对抗围植炎相关的细菌
Neeraj Sharma1, Jyotsna Shukla1, Shuchi Jain1
1Department of Prosthodontics Crown and Bridge and Implantology, Modern Dental College and Research Centre, Indore, Madhya Pradesh, India.
Journal of pharmacy & bioallied sciences
|July 14, 2025
概括
牙植入物上的纳米酸 (nHA) 涂层显著降低了细菌生长和生物膜的形成,提供了一种有前途的策略来对抗周植入炎并提高植入物存活率. 这些发现表明,nHA涂层可以提高植入物寿命.
科学领域:
- 生物材料科学 生物材料科学
- 牙科植入物学 牙科植入物学
- 微生物学 微生物学
背景情况:
- 牙周植入物炎是导致牙植入物失败的主要原因,源自细菌生物膜.
- 纳米酸 (nHA) 涂层正在研究其改善植入物抗菌性质和骨质整合的潜力.
研究的目的:
- 评估nHA涂层牙植入物的有效性,以抑制与围植入炎相关的细菌生长.
- 评估nHA涂层对生物膜形成和细菌粘附的影响.
主要方法:
- 植入物被涂上nHA使用sol-gel技术.
- 对常见的围植性炎病原体 (P. gingivalis,F. nucleatum,A. actinomycetemcomitans) 进行了抗菌疗效测试,使用生物膜试验,活力试验和SEM.
- 使用的统计分析是ANOVA.
主要成果:
- 与未涂层植入物相比,nHA涂层植入物显著减少了细菌粘附和生物膜形成 (P < 0.01).
- 对P. gingivalis,F. nucleatum和A. actinomycetemcomitans的具体减少率分别为78%,65%和72%.
- SEM证实了nHA涂层表面的生物膜积累减少,表明抗菌活性增强而不会影响生物相容性.
结论:
- nHA涂层有效地抑制了植入物表面上的细菌殖民和生物膜形成.
- 涂有nHA的植入物显示出缓解植入周炎和改善长期植入物存活的潜力.
- 建议进行进一步的体内临床试验以验证这些发现.
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