You brush twice a day, floss regularly, and take good care of your teeth—yet bad breath still seems to return.

It can be frustrating and embarrassing, especially when you're speaking closely with someone, attending a meeting, or spending time with friends and family. You may even find yourself covering your mouth while talking or worrying about whether others can notice your breath.

If you have good oral hygiene but still experience persistent bad breath, your tongue may be one of the places contributing to the problem. However, it is not always the only cause.