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获得性膜是什么
更新时间: 2020-08-17 00:00:00  

获得性膜是唾液的糖蛋白及其他一些成分选择性黏附在牙表面形成的无细胞、均质状的生物膜。

获得性膜结构可给菌斑生物膜内不同细菌输送营养物质,清除代谢废物,使细菌发挥各自的致病作用,是不同细菌共同获益的途径。菌斑生物膜具较强的抵抗力,高黏度的基质具有屏障作用,可耐受干燥,抵抗宿主防御成分或药物渗入,使菌斑对抗菌药物的敏感性降低,还可抵抗流水冲刷。

关键词: 获得性 什么

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