Mucosal melanocytic macules Pigmented Lesions of the Oral Mucosa Pocket Dentistry Labial melanotic macule Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics 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 Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review