Prosthodontics & Occlusion · single question
A removable-partial-denture wearer with a metal framework develops an allergic reaction. What should the dentist do before making a new prosthesis?
Show answer and explanation
Correct answer: A. Contact the laboratory to identify the alloy used in the previous denture
- A. Correct. Identify the offending alloy (often nickel) by getting the previous casting's composition from the lab, then select a biocompatible alternative.
- B. Switching labs blindly doesn't identify the allergen.
- C. Remaking immediately risks repeating the same allergenic alloy.
- D. Steroids treat the reaction but don't address material selection for the new prosthesis.
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