How much bacteria exactly? A lot of bacteria live in your mouth, colonies, and colonies. About 6 billion live in your mouth. That’s interesting because about 7.3 billion people live on earth. All those bacteria that live in your mouth actually live in diverse communities, kind of like us! It’s interesting how much our mouth bacteria can relate to us. Scientists call our mouth ecosystem a “human oral microbiome(my-crow-be-um).” The biggest part of the microbiome is our mouth bacteria. Billions of lives in one mouth, that’s like having a mini earth in your mouth. Everything that’s happening in your life might be happening in one tiny little bacterias life. They are being born, feeding, excreting, mating, and dying. All this is just happening in one single mouth! It's amazing how much is going on. Just think of it, one smallmouth is home to billions! …show more content…
Is mouth bacteria good or bad then? Mouth bacteria is not all that bad for your oral health. Some healthy bacteria actually keep bad germs away. For example, Streptococcus salivarius (Streptoe-kock-us sal-liv-air-ee-us). It is a good bacteria. It prevents strep throat and other illnesses caused by an imbalanced mouth microbiota. The bad bacteria it blocks is called Streptococcus pyogenes(strep-toe-kock-us pie-oh-jeans) (the bacteria that causes strep throat). The bacteria in your mouth is good and bad.; however, you need to keep control of all your bacteria, you can do this by brushing and flossing