Melanotic macules of the tongue in a newborn Journal of the American Academy of Dermatology 56M with an asymptomatic, darkly pigmented lesion on the attached gingiva of the maxilla, an irregularly shaped macule with varied pigmentation, including shades of black, brown, and gray. Brendan Gallagher, DDS 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 Pigmented Macula on the Gingival Papillain a Young Male: Diagnosis and Management: A Case Report Oral pathology: Noting a pigmented macule that often presents a diagnostic dilemma Registered Dental Hygienists Melanocytic Lesions A Guide to Clinical Differential Diagnosis of Oral Mucosal Lesions Continuing Education Course dentalcare.com