Black disease hairy tongue
Black hairy tongue Genetic and Rare Diseases
Black and hairy tongue Black hairy tongue shares many of the same causes with all hairy tongues, but specific factors give this condition the telltale black look.
Black hairy tongue - byebyedoctorcom
Black hairy tongue typically doesn't require medical treatment. Though unattractive, it's a temporary, harmless condition. Practicing good oral hygiene and eliminating factors that may contribute to the condition such as avoiding tobacco use or irritating mouthwashes help resolve black hairy tongue.
Black hairy tongue - Diagnosis and treatment - Mayo
Black hairy tongue can occur due to improper brushing methods and poor dental hygiene. Exact cause of this problem is not known. It may develop due to changes in bacterial growth and due to breathing activity through the mouth instead of nose.