Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Melaninassociated pigmented lesions of the oral mucosa: presentation, differential diagnosis, and treatment Mller 2010 Dermatologic Therapy Wiley Online Library Mucosal melanocytic macules Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Oral surgery II: Part 4. Common oral lesions British Dental Journal 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