Black and Brown: Non neoplastic Pigmentation of the Oral Mucosa Head and Neck Pathology Springer Nature Link Perioral Pigmentation One Area. Many Diagnoses. Dark skin around the mouth is one of the most common concerns I see in my OPD but it is never just tanning. Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management ScienceDirect Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Smoker's melanosis Wikipedia Orofacial Pathologies in Newly Diagnosed Adults with HIV: A Clinically Diagnostic Disease Severity Indicator in Resource Limited Settings