Tongue scraping is the process of running a simple tool across your tongue to remove bacteria, food particles, and other debris from the surface. It's been around for hundreds of years, with ...

Cracks, grooves, or clefts appear on the top and sides of the tongue. These fissures only affect your tongue. Fissures on the tongue vary in depth, but they may be as deep as 6 millimeters.

The tongue is one of TikTok’s latest fixations. With 4.9 million views on the hashtag #tonguescraping, people are curious about the oral health practice that’s proven to banish bad breath.