Test 2

Question 1

Epidemiology

Answer 1

Study of health and disease in population.

3 D’s: disease, distribution, determinants

Question 2

Determinants

Answer 2

Reasons why people get disease. (Ex. Heredity, biology, lifestyle, etc.)

Question 3

Primary Data vs. Secondary Data

Answer 3

Primary data is collected directly.

Secondary data is data that has already been collected.

Question 4

Prevalence

Answer 4

The number of people in a population who have a given disease at a given point of time.

Limitations: past history only, no rate of lesion development, does not indicate active or inactive, no frequency of new lesions

Question 5

Incidence

Answer 5

Number of new cases in a given period of time

Question 6

DMFT or DMFS

Answer 6

Decayed Missing Filled teeth or surfaces.

Calculated by counting surfaces of molars and premolars (5) and anterior teeth (4)

Question 7

SiC Index

Answer 7

Takes highest third of DMFT values and averages this subgroups DMFT values.