Canker sore/cold sore?

do i have a canker sore or a cold sore? i have a canker/cold sore on the inside of my bottom lip. i've had it for about 4 days. AND i have braces, so since the cold/canker sore is popped, my braces get caught on it.....and it hurts a LOT! i've tried listerine, but i dont think that helps.... its only... show more do i have a canker sore or a cold sore?
i have a canker/cold sore on the inside of my bottom lip. i've had it for about 4 days. AND i have braces, so since the cold/canker sore is popped, my braces get caught on it.....and it hurts a LOT! i've tried listerine, but i dont think that helps.... its only helps for like a minute after you do it.....
so does anyone have any cures? WITHOUT medicine? i've heard that abreva
and i know salt doesn't help because i've already tried...
please help
thanks !
Update: its NOT a cold sore for SURE actually.
its a CANKER sore.
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