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Prosthodontics & Occlusion · single question

Which complication most likely results from an UNDER-EXTENDED denture flange?

  1. Excessive mucosal pressure
  2. Increased food impaction
  3. Sunken facial profile appearance
  4. Denture dislodges during puckering
Show answer and explanation

Correct answer: C. Sunken facial profile appearance

Under-extended flange fails to support lips/cheeks → SUNKEN/COLLAPSED FACIAL PROFILE. Over-extended flange = denture dislodges during muscle movements (puckering). Under-extension also reduces retention.

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