Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com An oral melanotic macule is a harmless dark spot found on the lip, most often the lower lip, or inside the mouth, either on the gums, inside the cheek, or on the roof of the mouth. An oral melanotic Oral pigmented lesions: Clinicopathologic features and review of the literature Melaninassociated pigmented lesions of the oral mucosa: presentation, differential diagnosis, and treatment Mller 2010 Dermatologic Therapy Wiley Online Library Oral Pigment lesions My Doctors Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal