Question 231 · LDEK · Etiology and pathogenesis of caries
Dental plaque is an example of a biological membrane, called biofilm. Indicate the true statement characterizing colonies of bacteria in the biofilm:
- A. bacteria create a free formation connected to the tooth surface.
- B. bacteria are not able to ferment.
- C. streptococci are mainly present in dental plaque.
- D. it is not an accidental colonization of micro-organisms but it is a community with mutual physiological interactions.
- E. bacteria are not sensitive to antibacterial agents.
Hint
The modern biofilm concept stresses organization and cooperation among microorganisms within a shared matrix.
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