Pigmented lesions of the oral mucosa and perioral : Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, & Endodontics title Oral Pathology: 44 year old white female presented with a 1 month histor of black lesion on gingiva adjacent her front teeth. No significant health history, denied smoking use. No 8 causes of Dark Gums COM Jan. 2008 Diagnosis UW School of Dentistry Pigmented Lesions Springer Nature Link Oral surgery II: Part 4. Common oral lesions British Dental Journal