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What is Dental infectious control?
infection control involves taking steps to prevent the spread of infectious agents.
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Def. Asepsis:
the process of preventing the access of micro-organisms.
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automated washer processor:
washer, sterilizer, dishwasher, or other mechanical washing device.
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Barrier Technique:
the use of rubber, plastic, plastic, paper, foil, or other fluid resistant materials to cover surfaces and protect them form contamination
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bioburden:
the number of micro-organisms contaminating an object. also known as bioload or microbial load.
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biological control:
an unprocessed biological monitor from the same lot as the test monitor.
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Biological Monitor:
a bacterial endospore test designed to assess whether sterilization has actually occurred.
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bloodborne pathogens:
pathogenic micro-organisms that are present in human blood and capable of causing disease in humans.
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Bowie-dick test:
a diagnostic test of a pre-vacuum sterilizer's ability to remove air from the chamber and prevent air reentrant.
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chemical disinfection:
the destruction or inhibition of most viruses and bacteria while in their active growth phase.
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chemical indicator:
chemical dyes used to determine whether the conditions required for sterilization are met.
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Contaminated:
the presence or reasonably expected presence of blood or other potentially infections material on an item or surface.
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culture:
the propagation and growth of micro-organisms or living tissue cells in or on a nutrient medium.
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Dental item classification:
dental items are classified as critical, semcritical, or noncritical based on the pathways through which cross contamination.
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critical items:
instruments and material that penetrate the skin, mucous membranes, or bone.
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semicritical items:
instruments, equipment, or materials that frequently contact mucous membrane but cannot be sterilized due to their design or inability to withstand heat.
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Non-critical items:
instruments, equipment, or materials that do not normally penetrate or contact mucous membranes but which are exposed to platter, spray, or splashing of blood, or are touched by contaminated hands.
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exposure incident:
a specific eye, mouth, or other mucous membrane, nonintact skin, or percutaneous exposure to blood or other potentially infectious materials
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engineering controls:
equipment or methods which isolate or remove bloodborne pathogens from the workplace
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infectious microorganisms:
organisms capable of producing disease in appropriate hosts.
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invasive procedure:
a surgical entry into the tissues, cavities, organs, or repair, of major traumatic injuries.
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micro-organisms:
bacteria, fungi, viruses, and bacterial spores.
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nosocomial infection:
an infection originating in the environment of a hospital or freestanding DTF.
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saturated steam sterilization:
a process which uses steam heat under preassure for sufficient length of time to kill all forms of micro-organisms
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Sanitary sewer system:
a sewer system connected to a sewage treatment plant.
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spray-wipe-spray
an accpetable method of cleaning and disinfecting.
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Gravity displacement sterilizer:
a type of sterilizer in chich incoming steam displaces the residual air through a port or drain usually in or near the bottom of the chamber.
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accepted exposure techniques for Gravity displacement sterilizer?
- 30 min @ 121-123c(250-254f) & 15-17PSI
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- 15 min @ 132-135c(270-274f) & 30-32psi
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prevacuum sterilizer
a sterilizer which vacuum excursions at the beginning or end of the cycle. operating temps are 132-135c
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unit dose
the quantity of materials or supplies required to treat a single patient
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universal precautions
infection control that treats all human blood and body fluids as if known to be infectious for HIV, HBV, and other bloodorne pathogens.
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work practice controls
controls that reduce the likelihood of exposure by altering the way one performs a task.
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