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10 Cards in this Set

  • Front
  • Back
What is an infectious agent?
Bacteria, virus, fungus, protozoa
What is a reservoir?
Where the organism lives and multiplies (mouth, skin, lesions, respiratory tract, body fluids,cells, inanimate objects, insects)
What is a susceptible host?
someone who does not have immunity
What MUST be present for an infection to spread from one person to another? (chain of infection)
1. A susceptible host
2. A causative agent sufficient to cause disease
3. A mode of transmission
What are sources of infectious diseases in dentistry?
People, instruments, equipment, contaminated surfaces, water from tubing.
What are different modes of transportation?
Contact (direct/indirect)
Vector-borne (insects)
What is another name for Standard Precautions?
Universal Precautions
Hepatitis A and E
Not a primary concern in dentistry
Spread fecal-oral route
Consumption of contaminated food or water
Vaccine for HepA
85-90% recover completely
HepE primarily found in middle east
Hepatitis B
Inflammation of liver
Highly infectious
No successful cure
Easily killed or inactivated by sterilization and disinfection
icteric-means jaundiced
Hepatitis C
Symptoms may take 20 years to appear
No permanent cure