Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Pigmented Lesions of the Oral Mucosa Pocket Dentistry 05 May 03 Eng Indian patient (mid 70s) with chief concern tongue is turning black. Swipe for more photos. These post inflammatory changes are more common in folks with more melanin in their skin. The underlying Figure 2 from Oral pigmentation Semantic Scholar Pigmented Lesions of the Oral Mucosa Springer Nature Link