A patient with a new removable partial denture develops inflamed, swollen gingiva in several areas contacting the denture. The best INITIAL step is to:

Correct answer: C. Ask the laboratory which material was used (suspect a reaction to the denture material)

• A. Inflammation from a material reaction won't respond to antibiotics.
• B. Remaking before identifying the cause is premature.
• C. Correct. Multifocal inflammation under a new prosthesis suggests an allergic/irritant reaction to the denture material; confirm what the lab used.
• D. Relining doesn't address a possible material allergy.