KROK 1 Stomatology 2013 – Question 115 · KROK (Dentistry)

A 70-year-old man has developed prosthetic stomatitis. Apart from this he was found to have an evident lesion of mouth corners. Microscopical examination revealed large ovoid gram-positive cells. What microorganisms are most likely to be the leading etiological agent of such a lesion?

  1. A. Streptococci
  2. B. Corynebacteria
  3. C. Neisseria
  4. D. Candida fungi
  5. E. Staphylococci
Hint

Large oval gram-positive cells are much bigger than bacteria; think about which organism thrives under dentures in elderly patients.

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