Micro & Immunology · single question

All describe dental-plaque pathogenicity, EXCEPT:

  1. It protects the host
  2. Produces acid
  3. Harbors bacteria
  4. Adheres to pellicle
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Correct answer: A. It protects the host

  • A. Correct. Plaque is harmful (cariogenic/periodontal); it does NOT 'protect the host,' so this is the exception.
  • B. Plaque bacteria metabolize sugars into acid (demineralization).
  • C. Plaque is a biofilm that harbors bacteria.
  • D. Plaque forms by adhering to the acquired pellicle.

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