Oral Mucosal Melanosis IntechOpen Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis 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 Figure 2 from Oral pigmentation Semantic Scholar Intramucosal melanocytic nevi CCIDE Dove Medical Press