口腔感染性疾病往往与某些特殊微生物存在着密切的关系。变形链球菌和乳杆菌与龋病的发生和发展密切相关,伴放线放线杆菌(Aa)牙龈拟杆菌(Bg)中间型似杆菌(Bi)等常与牙周炎并存,且不同的微生物类型也与不同的牙周病类型有着密切的关系。而有些微生物尽管其在牙周病破坏部位的检测率较高,但其在 Oral infectious diseases are often associated with certain special microbes. Streptococcus mutans and Lactobacillus are closely related to the occurrence and development of dental caries. Bacillus gingivalis (Bg) with Bacillus actinomycetemcomitans (Bg) often exist with periodontitis, and different microorganisms Types also have a close relationship with different types of periodontal disease. While some microorganisms in the detection of periodontal lesions in the detection rate is high, but in