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 Oral Mucosal Melanosis IntechOpen Oral surgery II: Part 4. Common oral lesions British Dental Journal Is focal melanotic lesion potentially malignant? A case report ScienceDirect Intraoral melanoma located at the interproximal madibular teeth gingiva Pigmented Lesions of the Oral Cavity Pocket Dentistry