Lip melanotic macula Hoogstra Medical Centers Figure 2 from Oral melanotic macule a case report. Semantic Scholar This lovely patient was thrilled with her beautiful result after laser treatment of oral melanotic macules. I share this case to educate: laser treatment requires accurate diagnosis, an understanding 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 Orale melanosis Oral pathology: Noting a pigmented macule that often presents a diagnostic dilemma Registered Dental Hygienists