Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com Oral melanotic macule and primary oral malignant melanoma: Epidemiology, location involved, and clinical implications Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Oral melanoma and other pigmentations: when to biopsy? Lambertini 2018 Journal of the European Academy of Dermatology and Venereology Wiley Online Library Labial melanotic macule