Black Hairy Tongue In A 65-Year-Old Diabetic Woman

Black hairy tongue, also named as lingua villosa nigra, is a painless, asymptomatic, benign condition characterized by an abnormal brownish–black discoloration of the dorsal surface of the tongue caused by variety of precipitating factors. It usually appears in people over age 40 years with a history of poor oral hygiene, smoking and antibiotic use. Here we report a case of 65-year-old diabetic woman patient presented to our outpatient clinic with black hairy tongue. By means of this case, data about this disorder will be able to reviewed and reminded to be aware of this rarely seen disease in daily practice and advise to pay more attention to oral hygiene and brushing techniques that will help treating this disorder.