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Originally Posted by megansmomma  I am wondering if it might be an infected tooth? Someone else did had the same question a couple of weeks ago and it turned out to be an abscessed tooth. Please let us know what the vet says. |
I agree. An abscessed tooth can actually perforate the bone to allow pus to drain. It's called a carnassial tooth abscess:
http://www.hillsvet.com/pdf/en-us/ca...Abscess_en.pdf