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 Melanosis Prevalence and clinical features of pigmented oral lesions Hassona 2016 International Journal of Dermatology Wiley Online Library Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Oral Melanotic Macule Is It Dangerous KERUSSO Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal