Melanotic Macules, Naevi, and Melanoma Springer Nature Link Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update 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 melanotic macule or non cancerous hyperpigmentation of a mucous? What is this? Pigmentation? Hlp : r askdentists