Prosthodontics & Occlusion · single question
A photo shows generalized spacing/diastemas between the teeth, and the patient produces a whistling sound during certain speech. What is the cause of the whistling?
Show answer and explanation
Correct answer: A. The interdental spaces (diastemas) allow air escape
- A. Correct. Air escaping through the spaces between teeth produces the whistling/air-escape sound during speech.
- B. Vertical dimension errors cause clicking or strain, not spacing-related whistling.
- C. While habits can contribute, the depicted cause is the physical interdental spacing.
- D. Palatal vault shape is not the direct cause of the whistling from anterior spacing.
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