COM Dec. 2011 Diagnosis UW School of Dentistry Unusual Extensive Physiologic Pigmentation of the Tongue: A Case Report Cureus Black hairy tongue syndrome ORAL MELANOSIS leading to the diagnosis of HIV infection. Despite being a weak association, any unexplained oral pigmentation in a high risk individual should make one suspect HIV associated oral melanosis and proceed Pigmented fungiform papillae, or papillary tip melanosis Registered Dental Hygienists Can a black pigmented lesion of the oral cavity : Journal of Family Medicine and Primary Care