Biofilm
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Biofilm

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@SolidTonalism

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Questions and Answers

A well-organised community of bacteria that adheres to surfaces and is embedded in an extra cellular slime layer is termed

  • Biofilm (correct)
  • Aerobic
  • Bacterial microcolony
  • Anaerobic

    • Bacteria attachment zones can be defined into distinct areas, select the most appropriate response

  • Dorsum and ventral
  • Supra and sub gingival
  • Tooth attached, tissue attached and unattached (correct)
  • Enamel, cementum and dentine

    • Bacteria that have double cell membranes and that do not stain purple with crystal violet are called

  • Gram negative
  • Aerobic
  • Gram positive
  • Anaerobic (correct)

    • Microbial plaque is considered the primary cause of periodontal disease

    <p>True</p> Signup and view all the answers

    Plaque biofilms are best removed by using mouthwash and adjustive chemical agents

    <p>False</p> Signup and view all the answers

    The term biofilm can be defined as a complex dynamic microbial community embedded within the extra cellular matrix

    <p>True</p> Signup and view all the answers

    The term biofilm can be defined as a simple dynamic microbial community embedded within extra cellular matrix

    <p>False</p> Signup and view all the answers

    Which of the following would be most effective in controlling the bacteria in a dental plaque biofilm ?

    <p>Tooth brush and floss</p> Signup and view all the answers

    Which structure of a biofilm facilitates the movement of nutrients to the bacteria ?

    <p>Fluid channels</p> Signup and view all the answers

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