Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics Freckle on Lip: Meaning, Causes and Is It Dangerous? (Labial Melanotic Macule) La Bouche Parfaite Melanotic Macules, Naevi, and Melanoma Springer Nature Link 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