Canker Sore remedy using Baking Soda... ~ M got a canker sore and we did this before bed. Helped a ton. It was almost gone in the am. I add few drops of tea tree oil to my mouthwash and I am age 72 and have healthy gums.
My #1 tip for canker sores or mouth sores is to use L-Lysine(can be found at most natural food stores, vitamin shops & some drug stores) mix 1tsp in warm water, gargle and swallow. It's not the best taste in the world but it works wonders. Top 9 Home Remedies for Mouth Ulcers..