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 Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome Orale melanosis Labial melanotic macule. B). Increased numbers of me lanocytes along Download Scientific Diagram Smoker's melanosis Wikipedia