Term
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Definition
study of determinants, occurance, distribution, and control of health and disease in a defined population--try to define parameters of a disease to establish effective control and prevention |
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Term
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Definition
microorganism that causes a disease in an epidemiologic study |
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Definition
person with an infection that serves as a source of infection for others |
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Term
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Definition
movement of an infectious agent from a source individual directly into the environment |
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Definition
transmission of an organism to a susceptible individual |
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Term
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Definition
place where infectious agents are perpetuated in nature-- i.e. water systems |
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Term
Sporadic occurance of a disease in a population: |
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Definition
cases that occur in a population without any periodicity |
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Term
endemic occurance of disease in a population: |
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Definition
the usual number of cases of a particular disease in a population |
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Term
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Definition
short term increase in the occurrence of a disease in a population |
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Term
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Definition
a long term increase in the incidence of a disease in a very large population |
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Term
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Definition
1. person-to-person contact
2. indirect contact with fomites--inanimate objects that transmit pathogens but do not support multiplication
3. blood borne
4. contact with infected animals
5. insect vectors
6. common vehicle transmission- agent passed by common inanimate objects
7. airborne |
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Term
In dentistry, the most important source of pathogens is from_______. |
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Definition
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Term
Bacteria of concern in dentistry: |
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Definition
1. Neisseria gonorrheae
2. Treponema pallidum
3. Mycobacterium tuberculosis
4. Streptococcus pyogenes |
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Term
How can Neisseria gonorroheae be transmitted in dentistry? |
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Definition
can be found in oral cavity--innoculation |
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Term
How can Treponema pallidum be transmitted in dentistry? |
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Definition
**causes syphillus
*found in oral cavity, but is more delicate than gonorroheae
*transmitted through innoculation |
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Term
How can Mycobacterium tuberculosis be transmitted in dentistry? |
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Definition
innoculation or inhalation |
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