ORAL MELANOTIC MACULE (OMM) (Also called focal melanosis labial melanotic macule) A benign, localized, flat pigmented lesion of the oral mucosa Caused by a focal increase in melanin production Mucocutaneous Pigmented Lesions, Nevi and Melanoma (Chapter 4) Pediatric Head and Neck Pathology Pigmented Lesions of the Oral Mucosa Pocket Dentistry SciELO Brasil Lingual melanotic macule the first case report in an adult patient Lingual melanotic macule the first case report in an adult patient Figure 1 from Oral melanotic macule a case report. Semantic Scholar