The major genera with the largest representation in the oral cavities include: streptococcus, prevotella, haemophilus, rothia, veillonella, neisseria, fusobacterium, and porphyromonas.

口腔中的微生物主要包括以大属：链球菌属、普菌属、嗜血杆菌属、罗菌属、韦荣球菌属、奈瑟菌属、梭杆菌属与卟啉单胞菌属。

The researchers also found that the type of bacteria in question, which is a very common resident of the mouth called fusobacterium, could actually outright kill some cancer cells, at least in a petri dish setting.

研究人员还发现，这种细菌是口腔中非常常见的一种叫做梭杆菌的细菌，它实际上可以直接杀死一些癌细胞，至少在培养皿中是这样。