Prosthodontics & Occlusion · single question

Localized burning sensation under a complete denture is most likely due to:

  1. An unpolished denture surface
  2. Excessive (localized) occlusal force
  3. A localized denture-base allergy (acrylic monomer)
  4. Generalized vitamin B12 deficiency
Show answer and explanation

Correct answer: B. Excessive (localized) occlusal force

  • A. Incorrect – a rough surface causes generalized irritation/plaque retention rather than a localized burning point.
  • B. Correct – a localized pressure/occlusal point creates a focal sore/burning area on the mucosa.
  • C. Incorrect. True acrylic monomer allergy is rare and tends to be diffuse; a localized burning area beneath the base most often reflects focal occlusal overload/pressure.
  • D. Incorrect. B12 deficiency causes a diffuse burning (glossitis/burning mouth), not a focal area limited to one spot under the denture.

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