Pigmented Lesions of the Oral Mucosa Pocket Dentistry Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review 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 Melanotic macules of the tongue in a newborn Journal of the American Academy of Dermatology