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25 Cards in this Set
- Front
- Back
Why must surfaces in dental treatment rooms be disinfected or protected with barriers? |
To prevent patient to patient transmission of microorganisms |
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Used to prevent surface contamination |
sterilization and disinfection |
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Purpose of surface barriers |
to prevent cross contamination |
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What should you do if a barrier is torn |
replace it and clean and disinfect the surface under the barrier |
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Which regulatory agency requires the use of surface disinfection? |
OSHA |
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Why must surfaces be precleaned? |
To remove bioburden |
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Where are antiseptics used? |
on skin |
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Which agency regulates dininfectants |
EPA |
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Which chemical solution is recommended for heat-resistant items |
Glutaraldehyde |
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Name of the disinfectant that can leave a reddish or yellow stain |
Iodophors |
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disadvantage of synthetic phenols |
can leave a residual film on surfaces |
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common term for sodium hypochlorite |
bleach |
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disinfectant that is not effective if blood or saliva is present |
alcohol |
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Common uses of chlorine dioxide |
surface disinfectant and sterilant |
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Ways to practice greener infection control |
conserve water and energy, use products with recyclable packaging, use digital radiography |
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Housekeeping surfaces include |
floors, walls, and sinks |
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Housekeeping surfaces |
have much lower risk for disease transmission so cleaning and decontamination techniques are not as rigorous |
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clinical contact surfaces |
can be directly contaminated by direct spray or spatter generated during precedures |
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Glutaraldehyde disinfectant time |
20-90 minutes |
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Glutaraldehyde sterilant time |
6-10 hours |
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Chlorine dioxide disinfectant time |
3 minutes |
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Chlorine dioxide sterilant time |
6 hours |
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Disadvantages of Chlorine dioxide |
1. must be prepared fresh daily 2. needs good ventilation 3. is corrosive to aluminum containers |
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Ortho-Pthalaldehyde (OPA) |
1.achieves high level disinfection in 12 minutes 2. alternative to glutaraldehyde 3. very little odor and no mixing or activation |
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Disadvantages of OPA |
1. cost 2.only used half as long as glutaraldehydes 3. may stain skin and fabrics 4. no sterilization claim 5. plastics turn blue or green when proteins aren't removed |