Black and Brown: Non neoplastic Pigmentation of the Oral Mucosa Head and Neck Pathology Springer Nature Link Pathology Outlines Melanotic macule Pigmented Lesions of the Oral Mucosa Pocket Dentistry Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics COM Jan. 2008 Diagnosis UW School of Dentistry