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 Macular Pigmented Oral Mucosal Lesions: An Amalgam Tattoo Case Report Dentistry Today Mucosal melanocytic macules Oral Mucosal Melanosis IntechOpen Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics