Does swishing salt water help canker sores?
Score: 4.3/5 (32 votes) Rinsing with salt water can dry out canker sores and keep them from swelling. Mix one teaspoon of table salt in a half cup of warm water and swish it around your mouth for 15 to 30 seconds before spitting it out. Rinse with salt water as needed.Does salt water kill canker sor...