A canker sore is an open sore or wound that develops inside of your mouth, under your tongue, on the inside of your cheeks or at the base of your gums. If you have a cold sore, this means that you're infected with the herpes simplex 1 A blister is a collection of liquid beneath or within the epidermis that causes the skin Source:http://www.ehow.com/facts_5622305_canker-sore-mean_.html
I have what looks like a blister looking thing under my gums where I have a cap. Is this dangerous? Is this an ab-sess tooth? Anonymous
What is this Blood Blister in, you can bust it and my Mouth on my top gums turning white? I have this little blood Gums and why are my Blister above my top teeth it feels back
If it lasts longer than 7-10 days or doesnt improve in that time, definitely visit your dentist! Cold sores are viral so you might not want to take a chance on passing it on! Also, if you get chronic cold sores, it may be caused by eating too many acidic foods (oranges, tomato sauce) or by using toothpaste high in Sodium Lauryl Sulfate (SLS)!
What causes a puss filled blister on your gum that if you push it it will drain then fill up again? Improve Why does the toilet bowl fill up and then drain? into it, but as that would mean it was getting wider, it wouldn't fill up, just get more level.
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