Clinical features of cutaneous melanotic nevihead and neck region. a Download Scientific Diagram Macular Pigmented Oral Mucosal Lesions: An Amalgam Tattoo Case Report Dentistry Today Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome 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