Random dark marks on lips : r Blackskincare In the process of removing a Labial Melanotic Macule. A Labial Melanotic Macule is a well defined, oval, brown to black, flat patch on the central third of the lower lip, as seen Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal