How can i quickly cure canker sores?

Time: Use one of the over the counter remedies to help you feel better and avoid eating spicy and acidic foods. Canker sores typically take 10 to 14 days to heal. They can happen when you are under stress, trauma, vitamin deficiencies, sensitivity to certain chemicals, and hormonal changes. Your dentist can help with strategies to control them.

Comfortable: Anything that makes you comfortable. It takes about 2 weeks to go away no matter what you seem to do. However check with your pharmacy for a few items that may make you more comfortable - remember that they generally do not shorten the 2 week time.