# Mouth Residents
> Not all mouth bacteria are bad. A tour of the common residents, what they do and what disturbs the neighborhood.

## Guides
- [Common Mouth Bacteria by Name](https://bacteria-in-your-mouth.leberi.workers.dev/common-mouth-bacteria-names/): Researchers have identified hundreds of species in the human mouth, but a handful of genera come up again and again.
- [Early Colonizers of Tooth Surfaces](https://bacteria-in-your-mouth.leberi.workers.dev/early-colonizers-of-teeth/): Within hours of a tooth being cleaned, a thin film of saliva proteins coats it and the first bacteria attach.
- [Bacteria That Make Acid From Sugar](https://bacteria-in-your-mouth.leberi.workers.dev/bacteria-that-make-acid/): Some bacteria in dental plaque break down sugars and release acid as a byproduct.
- [Helpful Bacteria in Saliva](https://bacteria-in-your-mouth.leberi.workers.dev/helpful-bacteria-in-saliva/): Saliva carries a large, varied community of bacteria, and many of them seem to be part of an ordinary, balanced mouth rather than a problem.
- [How Mouth Bacteria Spread Between People](https://bacteria-in-your-mouth.leberi.workers.dev/how-bacteria-spread-between-people/): Mouth bacteria can pass between people through saliva, for example by kissing, sharing utensils or close family contact.

## About
- [About Mouth Residents](https://bacteria-in-your-mouth.leberi.workers.dev/about/): not medical advice, how the site is funded and how guides are made

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