Orstavik J, Orstavik D, Kommisar J
Acta Odontol Scand. 1982;40(1):49-56. doi: 10.3109/00016358209019809.
Freshly isolated strains of Streptococcus mutans from saliva of two test subjects were tested for adhesion to various dental gold alloys and one brand of luting cement. The materials were covered with pellicle derived from one or the other of the two subjects. In "crossover" experiments it was consistently found that S. mutans adhered in greater numbers to pellicles of homologous origin. This preference for the homologous pellicle appeared to vary among the materials tested as substrates; also, the total number of organisms adhering varied among the materials. Moreover, different isolates varied in their affinity for the materials and showed a varying degree of dependence on homologous pellicle for adherence. In vitro plaque formation of mixed oral flora on pellicle-coated dental casting gold alloy were also more abundant on homologous pellicles as compared with heterologous ones. The results support the view that biologically specific mechanisms contribute to the adhesion of bacteria to dental restorative materials, and to the build-up of a bacterial plaque on these materials.
对从两名受试对象唾液中新鲜分离出的变形链球菌菌株进行测试，检测其对各种牙科金合金和一种品牌粘固粉的黏附情况。这些材料表面覆盖有来自两名受试对象中某一人的获得性膜。在“交叉”实验中，始终发现变形链球菌对同源来源的获得性膜黏附数量更多。这种对同源获得性膜的偏好似乎因作为底物测试的材料而异；而且，黏附的微生物总数在不同材料之间也有所不同。此外，不同分离株对材料的亲和力不同，并且对同源获得性膜黏附的依赖程度也有所不同。与异源获得性膜相比，在覆盖有获得性膜的牙科铸造金合金上，混合口腔菌群的体外菌斑形成在同源获得性膜上也更为丰富。这些结果支持以下观点：生物学特异性机制有助于细菌黏附于牙科修复材料，并有助于在这些材料上形成细菌菌斑。
