Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update This is a picosecond laser treatment of labial melanotic macules on the gingiva. Note the green flashes of the 532 nm laser as well as the immediate tissue whitening of the treated area. This Is focal melanotic lesion potentially malignant? A case report ScienceDirect