Prosthodontics & Occlusion · single question
CASE — Crown problem. A loose crown shows a visible metal margin; the crown is markedly WHITER than the very yellow adjacent teeth, and other teeth show attrition. The best treatment is to:
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Correct answer: B. Replace (remake) the crown
- A. Recementing keeps the visible metal margin and color mismatch.
- B. Correct. The crown is failing (loose, metal margin showing, poor color match) and should be remade.
- C. Restorative materials cannot be bleached.
- D. Veneering composite over a metal margin is not a durable fix for a failing crown.
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