A member asked:

Can you put toothpaste on canker sores to heal them faster? how long do canker sores take to go away on their own? canker sores caused by biting the inside of mouth accidentally?

2 doctors weighed in across 2 answers
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

Tooth paste won't help much unless you use baking soda toothpaste or you can make a paste just by mixing baking soda powder with water. Why don't you just use baby teething gel OTC such as Oragel for pain, especially before meal? Most canker sores will heal spontaneously within a week or 2 weeks in maximum.

Answered 9/24/2022

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Dr. Theodore Davantzis answered

Specializes in Dentistry

No, you cannot. Canker sores usually resolve within two weeks.

Answered 9/24/2022

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