Pathology Outlines Melanotic macule Pigmented Lesions of the Oral Mucosa Pocket Dentistry A Case Report of Oral Malignant Melanoma: A Silent Killer Cureus Melanoma vs Benign Melanocytic Nevus Lecturio Dermatology Metastatic oral malignant melanoma transformed from pre existing pigmented lesions in mandibular gingiva: Report of an unusual case ScienceDirect 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