Simple cryosurgical treatment of the oral melanotic macule Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Smoker's melanosis Wikipedia 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 PDF] Pigmented lesions of the oral cavity: review, differential diagnosis, and case presentations. Semantic Scholar An oral melanotic macule is a harmless dark spot found on the lip, most often the lower lip, or inside the mouth, either on the gums, inside the cheek, or on the roof of the mouth. An oral melanotic Oral medicine: 7. red and pigmented lesions Dental Update