A Case of Black Hairy Tongue / 대한피부과학회지

Black hairy tongue is a benign disorder characterized by hypertrophy of the filiform papillae of the tongue. A brownish-black discoloration of papillae occurs. the etiology is unclear, but the disorder has been associated with numerous predisposing conditions such as poor oral hygiene, medication, and smoking. Herein we report a case of black hairy tongue and it was successfully treated with simple brushing.