What Is Hairy Tongue?
Reviewed: Dr. Gromatzky
5. Black And Hairy Tongue
Among the most common type of hairy tongue is black hairy tongue, which appears just as the name suggests. It is basically the same condition as other types of hairy tongue, with the main difference being the black coloration of the patient’s tongue.
The black color is caused largely by what the patient eats and drinks. If they drink tea or coffee regularly then this can cause the discoloration. Smoking regularly can also turn the tongue black, and some mouthwashes can also cause the condition. Another possible cause is the buildup of yeast and bacteria in the growing filiform papillae.
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