Amini Lecture Flashcards
1
Q
What is epidemiology?
A
study of health and disease in populations
2
Q
What are examples of primary data in epidemiology? Of secondary data?
A
- primary data: mail survey, epidemiological/screening survey, telephone interview
- secondary data: medicaid, vital statistics, cancer registry
3
Q
Define prevalence.
A
the number of people in a population who have a given disease at a given point in time; measures the frequency of all current cases of disease (old and new)
4
Q
Define incidence.
A
a measure of the number of lesions/period of time
5
Q
What is the difference between prevalence and incidence?
A
- prevalence - measures the frequency of all current cases of the disease
- incidence - only measure the numbers of new initial lesions per unit of time
6
Q
What does DMFT and DMFS stand for?
A
Decayed Missing Filled Teeth or Surfaces
