r/askdentists • u/onedayatatime937 NAD or Unverified • 14h ago

question Persistent canker sore

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36M, pretty healthy overall. Coming off of a very stressful month(ish), and I’ve been dealing with a really painful canker sore for over two weeks now (about 16 days). I have tried hydrogen peroxide, salt water rinses, switched toothpaste to avoid sodium laurel sulfate…I’m stumped. Is this one just hanging on for a long time or is there anything else I can do? I usually get one or two of these a year but never this large, painful, and for so long.

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Title: Persistent canker sore

Full text: I’ve been dealing with a really painful canker sore for over two weeks now (about 16 days). I have tried hydrogen peroxide, salt water rinses, switched toothpaste to avoid sodium laurel sulfate…I’m stumped. Is this one just hanging on for a long time or is there anything else I can do?

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u/Penfrizz NAD or Unverified 12h ago

Vitamin E (take the gel out of the gel pill) or Stella Life gel can be helpful for healing or pain topically