A member asked:

How long does a canker sore last?

5 doctors weighed in across 2 answers

Not long: 7-10 days.

Answered 10/4/2016

5.5k views

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Week: The canker sore lasts 7-10 days usually. However, if your dentist has a laser the canker sore can resolve faser once treated by laser.

Answered 10/4/2016

5.5k views

Thank

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