A Rare Case of Oral Mucosal Pigmentation: Differential Diagnosis and Case Presentation JCDA Melanotic Macules, Naevi, and Melanoma Springer Nature Link Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com A Black Spot on the Upper Gum for Many Years: Melanotic Macule Springer Nature Link Spotty lips. These are labial melanotic macules, kinda like freckles on the lips. They are mostly due to age and sun exposure, but sometimes they run in families and are associated with