HOSA Dental Terminology Practice

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What does the term 'Hairy Tongue' refer to?

Increased number of taste buds on the tongue
Enlargement of the circumvallate papillae
Elongation of filiform papillae leading to a discolored tongue
Presence of hair-like projections on the tongue surface

The correct answer is: Elongation of filiform papillae leading to a discolored tongue

The term 'Hairy Tongue' refers specifically to the elongation of filiform papillae on the tongue, which leads to a characteristic discolored appearance. This elongation can result from a variety of factors, including poor oral hygiene, tobacco use, and the use of certain medications. When the filiform papillae grow longer than normal, they can trap food particles and bacteria, giving the tongue a dark, hairy appearance. This condition typically does not involve an increase in the number of taste buds or changes to the circumvallate papillae, nor does it actually involve the presence of hair-like projections. The name 'Hairy Tongue' can be somewhat misleading, as it does not mean there are literal hairs on the tongue; rather, it describes the visual effect caused by the elongated papillae. Understanding this terminology is crucial for recognizing and addressing oral health issues related to the tongue's appearance.