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唾液调节了表面生物膜的形成
Miryam Martínez-Hernández1, Juan Pablo Reyes-Grajeda2, Matthias Hannig3
1Laboratorio de Biointerfases, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, 04510, Mexico City, Mexico. miryam_mh@comunidad.unam.mx.
Clinical oral investigations
|August 30, 2023
概括
表面上的唾液 (SP) 显著减少了口腔生物膜的形成. SP充当主要调节器,使表面材料在牙科植入物中的细菌粘附性变得不那么重要.
科学领域:
- 口腔微生物学 口腔微生物学
- 生物材料科学是生物材料的科学.
- 表面化学 表面化学
背景情况:
- (Ti) 在牙科植入物中广泛使用.
- 了解Ti表面上的生物膜形成对于植入成功至关重要.
- 唾液在调节Ti上的口腔生物膜中的作用尚未完全理解.
研究的目的:
- 评估唾液的潜力,以调节在表面形成多种口腔生物膜.
- 为了比较唾液膜涂层的生物膜形成与未涂层和质的生物膜形成.
主要方法:
- 和质基板被涂上唾液.
- 扫描电子显微镜和拉曼光谱分析了皮膜的形成.
- 通过使用XTT测定和光显微镜来评估Streptococcus gordonii,Actinomyces naeslundii,Fusobacterium nucleatum和Porphyromonas gingivalis的生物膜形成.
主要成果:
- 在表面上证实了唾液皮质的形成.
- 与未涂层表面相比,唾液的存在显著减少了对的细菌细胞附着.
- 唾液皮质涂层的和质上的细菌数量相似,这表明皮质在基质材料上发挥了主导作用.
结论:
- 唾液是基板上口腔生物膜发育的主要调节器.
- 这一发现增强了对牙植入物口腔生物膜形成的理解.
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