# Microbiome Myth Check > Sterile mouths, overhyped probiotics and bacteria-free is better. Common myths about the oral microbiome, checked against what is known. ## Guides - [Myth: A Sterile Mouth Is the Goal](https://oral-microbiome-myths.pages.dev/myth-sterile-mouth-goal/): No, a sterile mouth is not a sensible goal, and it is not even possible. - [Myth: All Bacteria Are Germs](https://oral-microbiome-myths.pages.dev/myth-all-bacteria-are-germs/): No, most of the bacteria in your mouth are not germs in the sense of causing illness. - [Myth: Natural Routines Reset the Mouth](https://oral-microbiome-myths.pages.dev/myth-natural-routines-reset/): No, there is no natural routine that resets the mouth to a clean slate. - [Myth: Microbiome Tests Diagnose Problems](https://oral-microbiome-myths.pages.dev/myth-microbiome-tests-diagnose/): The idea that a mouth swab or saliva kit can diagnose what is wrong is a myth: microbiome tests list microbes in a sample, but a diagnosis needs an examination. - [Myth: One Product Balances Everything](https://oral-microbiome-myths.pages.dev/myth-one-product-balances-everything/): The idea that one product can balance the whole mouth is a myth, because the mouth's microbes respond to diet, cleaning habits, smoking, saliva and health, not. ## About - [About Microbiome Myth Check](https://oral-microbiome-myths.pages.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://oral-microbiome-myths.pages.dev/feed.xml)