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Prosthodontics & Occlusion · single question

A patient reports that a mandibular removable partial denture irritates the anterior lingual tissue. The lingual bar appears very close to the papillae. What is the appropriate action?

  1. Adjust and relieve the lingual bar to increase clearance from the gingival margin
  2. Convert the design to a full palatal strap
  3. Add acrylic to extend the bar further inferiorly
  4. Prescribe an analgesic and re-evaluate in one month
Show answer and explanation

Correct answer: A. Adjust and relieve the lingual bar to increase clearance from the gingival margin

  • A. Correct. A lingual bar must sit at least 3 mm below the free gingival margin to avoid impinging on the marginal tissue and papillae. Encroachment causes irritation, inflammation and recession — relief is required.
  • B. Incorrect. A palatal strap is a maxillary major connector and cannot be used in the mandible.
  • C. Incorrect. Adding material worsens the impingement and further reduces sulcus depth clearance.
  • D. Incorrect. Analgesics mask a mechanical problem that will progress to tissue damage.

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