Figure 7 from Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management. Semantic Scholar 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 Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics Clinical features of oral pigmented lesions: ( ) Nevus, ( ) melanotic Download Scientific Diagram