Dental plaque correlates closely with dental caries and periodontitis,signal conduction of microorganism in dental plaque has got more and more attention and got some progress in research.

• 口腔牙菌斑生物膜与龋病、牙周病密切相关。牙菌斑内的微生物信号传导近年来受到较多的关注并取得了研究进展。