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聚合物涂料改善树脂复合材料的机械和生物性能:一个体外研究
Seda Baktir1, Sezer Demirbuga1, Hacer Balkaya1
1Erciyes University, Faculty of Dentistry, Department of Restorative Dentistry, Kayseri, 38039, Türkiye.
Journal of dentistry
|January 12, 2026
概括
聚合物涂层如PEEK和PDA通过改善机械性能和细胞相互作用来增强树脂复合材料 (RCs). PEEK具有优越的抗划痕性能,而PDA显示出动态的生物活性,这表明改善修复的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 牙科材料 牙科材料
背景情况:
- 树脂复合材料 (RCs) 在修复牙科中广泛使用,但可能遭受表面降解和低于最佳的生物相互作用.
- 聚合物涂层提供了一种潜在的策略,可以增强RCs的物理,化学和生物特性.
研究的目的:
- 调查聚多巴胺 (PDA),聚乙烯糖醇 (PEG) 和聚乙基 (PEEK) 聚合物涂层对树脂复合材料 (RC) 性能的影响.
- 评估不同表面制备方案对涂层性能的影响.
主要方法:
- 经过各种表面制备 (前聚合,后聚合与/或无氧抑制层) 后,RC盘被PDA,PEG或PEEK通过旋转涂层涂层.
- 表面特征包括SEM,EDX,XRD和FTIR. 生物评估涉及口腔纤维细胞活力 (MTT测定).
- 评估的机械和物理性能包括抗划痕,表面粗,水接触角度,水吸附,溶解度和微硬度.
主要成果:
- 皮克涂层显著提高了抗和微硬度.
- 所有涂料都减少了水接触角度,增加了水友性. PDA对纤维细胞活力的时间依赖性影响,在48小时后增多.
- 没有观察到水吸附或溶解度的显著差异. 表面粗度取决于基板,而不是涂层类型.
结论:
- 螺纹涂层PEEK,PDA和PEG涂层在短期体外试验中改善了RCs的机械,生物和水解性能.
- PEEK提供了最大的机械增强,而PDA则显示出动态生物活性. PEG增强了水友性. PEG增强了水友性.
- 虽然有望加强软组织恢复接口,但需要进一步的体内验证和衰老研究来确认临床适用性.
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