Scientists studied healthy tissue as well as tumours in the mouth and found three strains of bacteria called Prevotella that could not be identified.
科学家们通过比较研究口腔的正常组织和肿瘤组织后发现有三种Prevotella属的细菌尚未被确认。
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AIM: to examine the effect of endotoxin of prevotella intermedia and bacteroides fragilis on proliferation and ultrastructure of periodontal ligament cells in vitro.