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Questions and Answers
What is the term used to describe a well-organized community of bacteria that adheres to surfaces and is embedded in an extracellular slime layer?
What is the term used to describe a well-organized community of bacteria that adheres to surfaces and is embedded in an extracellular slime layer?
Which of the following defines distinct areas of bacteria attachment?
Which of the following defines distinct areas of bacteria attachment?
Which bacteria are characterized by having double cell membranes and do not stain purple with crystal violet?
Which bacteria are characterized by having double cell membranes and do not stain purple with crystal violet?
Which method is considered most effective in controlling bacteria in a dental plaque biofilm?
Which method is considered most effective in controlling bacteria in a dental plaque biofilm?
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What structure within a biofilm facilitates the movement of nutrients to the bacteria?
What structure within a biofilm facilitates the movement of nutrients to the bacteria?
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Study Notes
Biofilm Quiz
- A well-organized community of bacteria adhering to surfaces embedded in an extracellular slime layer is called a biofilm.
- Bacterial attachment zones can be categorized as tooth attached, tissue attached, or unattached.
- Bacteria with double cell membranes that do not stain purple with crystal violet are anaerobic.
- Microbial plaque is a primary cause of periodontal disease (True).
- Plaque biofilms are best removed by chemical agents, not just mouthwash (False).
- A biofilm is a complex dynamic microbial community embedded within an extracellular matrix (True).
- A biofilm can also be defined as a simple dynamic microbial community embedded within an extracellular matrix (False).
- Toothbrush and floss are effective in controlling bacteria in dental plaque biofilms.
- Fluid channels in a biofilm facilitate nutrient transport to bacteria.
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Description
Test your knowledge on biofilms and their characteristics with this quiz. Discover how bacteria form structured communities and their implications in dental health. Understand the role of biofilms in microbial environments and their challenges in removal.
