Simple cryosurgical treatment of the oral melanotic macule Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics 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 Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal