Dark or black gums pigmented lesions can be focal, multifocal, or diffuse pigmentstion macules, including entities such as racial pigmentation . Gums hyperpigmentation melanotic macule and melanocytic nevus, gums make blue. The smoker’s Melanesia, oral melanoacanthoma, racial pigmentation by Physiologic Pigmentation. Foreign bodies or induced by Physiologic Pigmentation drugs, Peutz-Jeghers syndrome.