NeedTheBloodyDetails: Is this person a vampire? If, not, then I can't imagine anything acceptable about blood coming out of the mouth, especially when talking. Now you said "microscopic," which means to me that you can't see it and need a microscope to see it. So, what's with you? How did you see it? Carry a microscope around with you? Anyway, my guess is the gums but it could be lots of things so see a dentist first.
Answered 4/6/2015
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3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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A doctor has provided 1 answer
A doctor has provided 1 answer
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