I know it’s bacteria, but where is that bacteria coming from? Why doesn’t brushing, flossing, mouth washing, or getting a deep clean at the dentist get rid of it entirely?

  • ZephrC
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    1 month ago

    Bacteria are everywhere always, and sterilizing your mouth thoroughly enough to destroy all life is not a great plan.

    • cizra
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      1 month ago

      There are bacteria everywhere, indeed. Inside canned food, there are dead corpses of bacteria only, thankfully.

      Hypothetically, if you sterilized your mouth somehow to ideal cleanliness, it’d get contaminated next time you inhale unsterilized air.

      Let’s give a moment of appreciation to our immune systems. Otherwise, we’d be like https://en.m.wikipedia.org/wiki/Severe_combined_immunodeficiency