Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Oral Melanotic Macule MEDizzy 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 Labial Lentigo (labial melanotic macule) Cancer Therapy Advisor Pigmented Lesions Pocket Dentistry