Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review 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 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 Pigmented Lesions schneider Flashcards Quizlet Oral Mucosal Melanosis IntechOpen Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer