Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome Labial Lentigo (labial melanotic macule) Cancer Therapy Advisor Melanotic Macules, Naevi, and Melanoma Springer Nature Link Oral pathology: Noting a pigmented macule that often presents a diagnostic dilemma Registered Dental Hygienists Freckle on Lip: Meaning, Causes and Is It Dangerous? (Labial Melanotic Macule) La Bouche Parfaite 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