Disinfection
Housekeeping surfaces include?
floors, walls and sinks
What are ultrasonic cleaners used for?
to loosen and remove debris from instruments
organization for assistants
ADAA
Dermatitis can occur following chemical exposure by
skin contact
T/F? Viruses cannot multiply in the DUWL
true
Which type of disinfectant reduces the chemicals in the environment?
wipes
What are three ways to monitor sterilization?
physical, chemical, and biologic.
responsible for ensuring the safety of employees
OSHA
form of toxicity that can be caused by chronic benzene exposure
leukemia
likely to have the highest bacterial colony-forming unit (CFU)
Water from an air-water syringe
What are the 3 levels of disinfection and their corresponding EPA classification?
a. High Level = High level disinfectant with a relatively short contact time
b. Intermediate level = Hospital Disinfectant with tuberculocidal activity
c. Low level = Nontuberculocidal
What is the “ideal” instrument-processing like?
a. should be dedicated only to instrument processing
b. should be physically separated from the operatories and the dental laboratory
c. should not be a part of a common walkway. The area should not have a door or windows that open to the outside, because dust can enter.
safety & effectiveness of medical devices
U.S. Food and Drug Administration (FDA)
chemical that has its own spill kit
Mercury
Biofilm can contain many types of bacteria
fungi, algae, and protozoa
What is the safest approach for avoiding contamination?
assume that the surface has had a contact with saliva, blood
What did Ms. Jo say to do to prevent spreading germs/cross contamination?
Use your nondominant to open doors, use the atm, use wipes/hand sanitizer after pumping gas but before turning on the car
ensures the safety and effectiveness of disinfectants
EPA
chemical exposure damages the lungs and...
kidneys, brain, and liver
microfiltration cartridges should be changed
according to the manufacturer’s recommendations
What can phenols be used on?
metal, glass, rubber, or plastic
What are the 7 steps for instrument processing?
Transport, Cleaning, Packaging, Sterilization, Storage, Delivery, Quality
makes recommendations for the prevention of work-related disease and injury
National Institute for Occupational Safety and Health (NIOSH)
chemical labeling system uses blue, red, yellow, and white for
blue=health hazard
red=flammability
yellow=reactivity
white=special hazard
biofilm bacteria are more resistant to chemical germicides than planktonic bacteria by
1500