A Rare Case of Melanosis of the Hard Palate Mucosa in a Patient with Chronic Myeloid Leukemia Romeo 2015 Case Reports in Dentistry Wiley Online Library COM March 2009 Diagnosis UW School of Dentistry Pigmented Lesions of the Oral Mucosa Pocket Dentistry 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 Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update