LABIAL LENTIGO, Labial Lentigo also called a labial melanotic macule, is a harmless, small, flat, brown spot on the lip. It can develop after repeated sun exposure. In most cases, labial lentigo Oral Melanotic Macule: Symptoms and Treatment Skinsight 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