A black spot inside your cheek is most likely a harmless condition such as a mole or hyperpigmentation. In very rare cases, it could be a type of cancer called oral melanoma. Share on Pinterest ...

Black spots inside the cheek can have several causes. These include blisters or hyperpigmentation. In rare cases, they may indicate mouth cancer. Depending on the cause, the black spot may resolve ...

“If the black spot is located in the grooves of your teeth, it might be more challenging to remove entirely, but regular monitoring and cleanings can prevent further staining,” Dr. Kahng says.

If a dark spot on your lip is a sign of a more serious condition—such as cancer, a genetic syndrome, systemic disease, or nutrient imbalance—you’ll need to work with your doctor to treat the ...