Unit 3 - Theories of Disease Progression & Epidemiology Flashcards
When was continuous progression theory active?
Prior to 1980
What is the view on untreated gingivitis in continuous progression theory?
All cases of untreated gingivitis leads to periodontitis
What is the current theory on disease progression?
Intermittent Theory of Disease Progression
Periodontal disease is characterized by periods of
Disease activity and inactivity
True or False: In most cases, untreated gingivitis does not progress to periodontitis
True
The pattern of disease progression may vary from
One individual to another
One site to another in a person’s mouth
One type of periodontal disease to another
What is the study of the health and disease within the total poplation and the study of risk factors that influence health and disease.
Epidemiology
What are factors that increase an individual’s susceptibility to a disease?
Risk factors
What are examples of risk factors?
Heredity
Gender
Physical environment
Systemic factors
Socioeconomic status
Personal behaviour
What are the types of risk factors in the multicausal theory of disease?
Environment
Agent
Host
Which is represented as a percentage, prevalence of incidence?
Prevalence
How is incidence represented?
As a count
In measuring prevalence of disease, what are examples of commonly used periodontal indices?
Community and periodontal index of treatment needs
Eastman interdental bleeding index
Gingival bleeding index
Gingival index
Periodontal screening and recording
What percentage of adults over the age of 30 have some form of periodontal disease?
42%
What variables are associated with the prevalenece of periodontal disease?
Gender
Race/ethnicity
Educational and Socioeconomic status
Age
Behavious
Access to dental care
