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Prosthodontics & Occlusion · single question

A denture patient complains of biting their lips. Most likely denture-related cause?

  1. Poor denture base adaptation
  2. Improper tooth position
  3. Inadequate overjet of anterior teeth
  4. Inadequate vertical dimension of occlusion
Show answer and explanation

Correct answer: C. Inadequate overjet of anterior teeth

INADEQUATE OVERJET = most common cause of lip biting with dentures. When upper anteriors do not project sufficiently forward of lower anteriors, lips become trapped between teeth during closure or speech. Adequate overjet establishes a labial corridor protecting the lips.

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