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20822303 tn?1523604936

Sore at left corner of mouth

Hi, I've had this sore for 3 days now. It's sometimes reddish but not itchy nor bleeding. It just stings a bit when I try open my mouth wide. Please help!
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Avatar universal
Are you worried this is skin cancer? Many things can cause a sore in the mouth. It's difficult to guess what caused yours without knowing what else you're dealing with, if anything. Your dentist might be able to offer reassurances or recommendations.
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