Chapter 20 - Principles And Techniques Of Disinfection

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Antiseptic



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Substance for killing microorganisms on the skin.

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Bioburden



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Blood, saliva and other body fluids.

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Broad-spectrum activity



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Capable of killing a wide range of microbes.

Front 4

Chlorine dioxide



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Effective, rapid-acting environmental surface disinfectant or chemical sterilant.

Front 5

Clinical contact surface



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Surface touched by contaminated hands, instruments, or spatter during dental treatment.

Front 6

Disinfectant



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Chemical used to reduce or lower the number of microorganisms on inanimate objects.

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Environmental surface



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Surface within a healthcare facility that is not directly involved in patient care, but that may become contaminated during the course of treatment.

Front 8

Fungicidal



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A product that is capable of killing fungi.

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Glutaraldehyde



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Environmental Protection Agency (EPA)-registered high-level disinfectant.

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High-level disinfectant



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Hospital disinfectant with tuberculocidal activity.

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Hospital disinfectant



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Disinfectant with the ability to kill Staphylococcus aureus, Salmonella choleraesuis, and Pseudomonas aeruginosa.

Front 12

Housekeeping surface



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Surface that is not contaminated during dental treatment.

Front 13

Immersion disinfectant



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Disinfectant used for immersion (soaking) of heat-sensitive instruments.

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Intermediate-level disinfectant



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Liquid disinfectant with EPA registeration as ahospital disinfectant with tuberculocidal activity. It is used for disinfecting operatory surfaces.

Front 15

Lodophor



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EPA-registered, intermediate-level hospital disinfectant.

Front 16

Low-level disinfectant



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Disinfectant that destroys certain viruses and fungi; used for general housekeeping.

Front 17

Procleaning



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Removal of bioburden before disinfection.

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Residual activity



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Action that continues long after initial application, as with disinfectants.

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Reuse life



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Time period that a disinfectant should remain effective during use and reuse.

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Shelf life



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How long a product may be stored before use.

Front 21

Single-use items



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Items that are used on only one patient and then are thrown away.

Front 22

Sodium hypochloride



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Surface disinfectant commonly known as household bleach.

Front 23

Splash, spatter, and droplet surface



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Surface that does not contact members of the dental team or contaminated intruments or supplies.

Front 24

Sporicidal



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Capable of killing bacterial spores.

Front 25

Sterilant



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Agent that kills all microorganisms.

Front 26

Sterilization



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Process that kills all microorganisms.

Front 27

Surface barrier



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Fluid-resistant material used to cover surfaces likely to become contaminated.

Front 28

Synthetic phenol compound


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EPA-registered intermediate-level hospital disinfectant with broad-spectyrum disinfecting action.

Front 29

Touch surface



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Surface directly touched and contaminated during procedures.

Front 30

Transfer surface



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Surface not directly touched but often contacted by contaminated instruments.

Front 31

Tuberculocidal



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Capable of inactivating tuberculosis-causing microorganisms.

Front 32

Virucidal



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Capable of killing some viruses.