Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update Venous Lake of Lip and Lip Freckle Removal with Iridex Laser An oral melanotic macule is a harmless dark spot found on the lip, most often the lower lip, or inside the mouth, either on the gums, inside the cheek, or on the roof of the mouth. An oral melanotic AD :: Annals of Dermatology Mucosal Melanotic Macule Springer Nature Link Oral Mucosal Melanosis IntechOpen