56M with an asymptomatic, darkly pigmented lesion on the attached gingiva of the maxilla, an irregularly shaped macule with varied pigmentation, including shades of black, brown, and gray. Brendan Gallagher, DDS Diagnosis of oral pigmentations and malignant transformations ScienceDirect Oral Melanotic Macule: Symptoms and Treatment Skinsight A Rare Case of Oral Mucosal Pigmentation: Differential Diagnosis and Case Presentation JCDA Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Oral Melanotic Macule: Symptoms and Treatment Skinsight