text: home remedy for cut gums? i cut my gum on a sharp peice of food and it hurts so bad!!!  what can i do to ease the pain, aside from keeping ice in my mouth @ all times? rinse your mouth with warm salt water several times a day... it has a natural healing affect on the gums and surrounding tissues in the mouth.  use 1 teaspoon of salt to 8 ounces of warm water.