Pigmentary Disorders Springer Nature Link Figure 2 from Oral pigmentation Semantic Scholar 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 Oral melatonic macule or melanoma : r askdentists Oral Melanotic Macule: Symptoms and Treatment Skinsight