Epidemiology Flashcards
1
Q
What is epidemiology?
A
Study of disease origin and spread
2
Q
Differentiate between prevalence and incidence.
A
Prevalence - number of cases per population at snapshot in time
Incidence - number of new cases over a period of time
3
Q
T/F: Periodontitis is reversible.
A
FALSE
Gingivitis can be reversed
4
Q
___________ of periodontitis increases with age.
A
Prevalence
5
Q
Approximately what percentage of the population is Periodontally healthy?
A
10%
6
Q
T/F: Localized aggressive periodontitis is more prevalent in African Americans.
A
True
7
Q
Moderate chronic periodontitis is roughly how prevalent in the adult population? Senior?
A
Adult = 20%
Senior = 50%