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 pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update PDF) Changes of melanocytic lesions induced by Melanotan injections and sun bed use in a teenage patient with FAMMM syndrome