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📋Overview
Black Hairy Tongue occurs when the filiform papillae on the tongue's surface undergo elongation and hypertrophy instead of shedding naturally. This physical change allows for the accumulation of debris, bacteria, or fungi, which creates the characteristic dark discoloration.
This condition is primarily a descriptive term for a clinical state rather than an underlying disease. It is generally a painless and temporary structural change that affects the appearance of the upper tongue surface.
Additional Resources
Medical codes (for reference)
UMLS CUI: C0235347Codes are provided for reference and interoperability. They are not a diagnosis.
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