Clinical aspect of a pigmented soft palate lesion, measuring 7 mm in Download Scientific Diagram Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty 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 Relative frequency of solitary melanocytic lesions of the oral mucosa Buchner 2004 Journal of Oral Pathology & Medicine Wiley Online Library Mucosal Melanoma of the Hard Palate: Surgical Treatment and Reconstruction