COM Dec. 2011 Diagnosis UW School of 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 COM March 2009 Diagnosis UW School of Dentistry 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 Pigmented Lesions of the Oral Cavity Pocket Dentistry Nevus of Ota with Rare Palatal Involvement: A Case Report with Emphasis on Differential Diagnosis Sharma 2011 Case Reports in Dentistry Wiley Online Library