Behind my back tooth on top, I can be aware of a piece of skin hanging at hand. I don't know why or what its from? anything to worry around. I can just grain it, and its annoying. do u think its from drinking something hard or what? logically its to far back to see it.
Answers: it's your gum
I don`t know it's a little swollen, that happen to me when i had braces.
That is common and can happen from time to time, it's resembling a little score. It will heal within due time.
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