Influence of temperature on the co-adhesion of oral microbial pairs in saliva

被引:10
作者
Bos, R
vanderMei, HC
Busscher, HJ
机构
[1] Laboratory for Materia Technics, University of Groningen
[2] Laboratory for Materia Technica, University of Groningen, 9712 KZ Groningen
关键词
co-adhesion; flow chamber; saliva; temperature; coaggregation;
D O I
10.1111/j.1600-0722.1996.tb00094.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Coaggregation (interactions between two planktonic microorganisms) and co-adhesion (interactions between sessile and planktonic microorganisms) are believed to be important factors in the formation of dental plaque by many investigators, although others doubt whether coaggregation and co-adhesion occur in vivo. It is known that coaggregation and co-adhesion generally occur equally well in buffer as in saliva, but the influence of temperature on the co-adhesion of coaggregating oral microbial pairs in saliva is unknown. Therefore, co-adhesion of streptococci suspended in saliva to glass with adhering actinomyces present (1.0 x 10(6) cells cm(-2)) was studied in a parallel plate flow chamber in the temperature range from 22 degrees C to 40 degrees C. In the range from 22 degrees C up to 35 degrees C both pairs studied, Streptococcus oralis 34 with Actinomyces naeslundii 5951 and Streptococcus oralis J22 with A. naeslundii 5951, displaced similar coadhesion kinetics and co-adhesion in a stationary end-point, but around and above 37 degrees C co-adhesion almost disappeared. Hence, we conclude that co-adhesion of coaggregating oral microbial pairs in saliva may be critically influenced by temperature, especially around the temperatures prevailing in the oral cavity.
引用
收藏
页码:372 / 377
页数:6
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