Micro & Immunology · single question

Which event occurs FIRST in biofilm formation on dental surfaces?

  1. Maturation of the bacterial community
  2. Adhesion of bacteria to the surface
  3. Release of bacterial toxins
  4. Detachment of bacteria
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Correct answer: B. Adhesion of bacteria to the surface

  • A. Maturation occurs after initial colonization, not first.
  • B. Correct. Biofilm formation begins with the adhesion/attachment of initial colonizing bacteria to the acquired pellicle on the tooth surface.
  • C. Toxin release occurs after bacterial colonization/maturation, not as the first event.
  • D. Detachment occurs at the end of the biofilm lifecycle, not the beginning.

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