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10 Cards in this Set
- Front
- Back
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In community water, the number of waterborne bacteria is kept below: |
500 colony forming units |
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The number of CFUs found in the water from air water syringes and dental handpieces can frequently reach: |
Hundreds of thousands times that of community water |
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Dental workers are at greater risk of exposure to what disease ? |
Legionellosis |
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The primary source of microorganisms in dental unit waterlines is : |
The public water supply |
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What are two “ communities “ of bacteria in dental unit waterlines? |
Planktonic bacteria and biofilm |
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Heating water in the dental line may enhance: |
Microorganism growth |
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Compared with the water supplied to the office, the water that enters the dental unit is: |
The same |
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How many times more resistant to germicides are bacteria in biofilm compared with planktonic bacteria ? |
1500 |
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Biofilm cannot by removed by: |
Flushing alone |
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The rubber damn serves as |
Protective barrier |
