COM Jan. 2008 Diagnosis UW School of Dentistry Dilemma of Nail Pigmentation 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 Metastatic oral malignant melanoma transformed from pre existing pigmented lesions in mandibular gingiva: Report of an unusual case ScienceDirect Oral Melanotic Macule: Symptoms and Treatment Skinsight Melanotic Macules, Naevi, and Melanoma Springer Nature Link