Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram Pigmentation Document Gale OneFile: Health and Medicine Simple cryosurgical treatment of the oral melanotic macule ScienceDirect Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 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