Figure 1 from Oral melanotic macule a case report. Semantic Scholar 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 Lentigo simplex Libre Pathology Pigmented Lesions of the Oral Mucosa Pocket Dentistry Melanocytic neoplasms Plastic Surgery KeyPlastic Surgery Key