Labial melanotic macule Stock Image C057 2077 Science Photo Library Summit Enlighten Laser to treat labial melanotic macules on the lip before and after. Facebook Lichenoid lesion on the tongue in a patient with Laugier Hunziker Syndrome Journal of Oral Diagnosis 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