Blood clot: The most common reason for such a presentation is from clenching/grinding and biting of the cheek at night. The dark spot is actually a small blood clot where you bit your cheek. Consider wearing a nightguard.
Answered 9/29/2016
3.8k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question