Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome 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 Pigmented Lesions of the Oral Mucosa Pocket Dentistry Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review