# Myth Check Mouth > Popular ideas about oral probiotics get repeated until they sound like facts. Seven common claims, each checked against what is actually known. ## Guides - [Myth: Probiotics Replace Brushing](https://oral-probiotic-myths.paxilila.workers.dev/myth-probiotics-replace-brushing/): The myth probiotics replace brushing has no support in conventional dental advice. - [Myth: Natural Means Harmless](https://oral-probiotic-myths.paxilila.workers.dev/myth-natural-means-harmless/): The myth natural means harmless confuses where an ingredient comes from with how it affects a particular person. - [Myth: More Strains Are Always Better](https://oral-probiotic-myths.paxilila.workers.dev/myth-more-strains-is-better/): The myth more strains is better treats a long strain list as proof of quality, but probiotic effects are strain-specific and a count tells you little without. - [Myth: Probiotics Work Overnight](https://oral-probiotic-myths.paxilila.workers.dev/myth-probiotics-work-overnight/): The myth probiotics work overnight confuses a quick-feeling product with a quick-acting one. - [Myth: All Brands Are Equal](https://oral-probiotic-myths.paxilila.workers.dev/myth-all-brands-are-equal/): The myth all brands are equal fails because oral probiotics differ in strains, amounts, other ingredients and how much a seller discloses. ## About - [About Myth Check Mouth](https://oral-probiotic-myths.paxilila.workers.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://oral-probiotic-myths.paxilila.workers.dev/feed.xml)