# Breath Claim Check > Fresh breath is a common marketing hook. This page reviews what is known, what is not, and why persistent bad breath deserves a dentist. ## Guides - [Common Causes of Bad Breath](https://probiotics-bad-breath-claims.pages.dev/causes-of-bad-breath-list/): A causes of bad breath list usually starts with bacteria on the tongue and between the teeth, then adds dry mouth, certain foods, tobacco, gum problems and. - [Tongue Coating and Breath](https://probiotics-bad-breath-claims.pages.dev/tongue-coating-and-breath/): Tongue coating and breath are closely linked, because the back of the tongue holds bacteria and debris that give off odor. - [Breath Assessment at the Dentist](https://probiotics-bad-breath-claims.pages.dev/breath-tests-at-the-dentist/): Breath tests at the dentist are usually simple: the dentist or hygienist notes the odor, looks at the tongue, teeth and gums, and asks about habits, medicines. - [Breath Mints vs Real Causes](https://probiotics-bad-breath-claims.pages.dev/breath-mints-vs-real-causes/): A breath mint changes how your mouth smells for a short while, but it does not change why the odor is there. - [When Persistent Bad Breath Needs a Visit](https://probiotics-bad-breath-claims.pages.dev/when-bad-breath-signals-something/): Breath that stays unpleasant for weeks despite good brushing, cleaning between teeth and tongue care is worth a professional look. ## About - [About Breath Claim Check](https://probiotics-bad-breath-claims.pages.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://probiotics-bad-breath-claims.pages.dev/feed.xml)