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 Initial clinical appearance with melanotic macules located on lower Download Scientific Diagram Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics Simple cryosurgical treatment of the oral melanotic macule Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics