YSK: If you accidentally bite your cheek, lip, or tongue, a saltwater rinse may help soothe the area and support the natural healing process.
Why YSK: Many times we accidentally bit the inside of our cheek or tongue while eating, and it can stay sore for days. A saltwater rinse is an easy home remedy that may help keep the area clean and support healing. It's also commonly recommended for things like minor gum irritation, canker sores, and after some dental procedures.
Just mix ½ teaspoon of salt into 1 cup of warm water, swish it around your mouth for 15–30 seconds, then spit it out.
It's not a cure or a replacement for seeing a dentist if something seems wrong. But for a small mouth injury, it's a simple trick that's worth knowing.