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What is epidemiology?

They study of health and disease within the total population. Also, the risk factors that influence health and disease.

_____ _____ are factors that increase an individuals susceptibility to disease.

Risk factors

Name six known risk factors.

Heredity, Gender, Physical environment, Systemic factors, socioeconomic status, and personal behavior.

What is disease prevalence?

The number of all cases of a disease (both old and new) that are identified in a specific population at a given time. (How many have been diagnosed, and are still living with it)

What is disease incidence?

The number of new disease cases in a population that occur over a period of time. (How many have been diagnosed)

Do males or females have a greater prevelance and severity of periodontal disease?


Name five variables associated with the prevalence of diseases.

Gender, educational level, socioeconomic status, age, and access to dental care.

_______ ________ is one of the most widespread diseases in US adults, and the leading cause of tooth loss in adults older than 45.

Periodontal Disease.

What is the Host-Bacteria interaction theory?

Instead of focusing on just calculas removal and biofilm removal, it is a complex way of looking at many different risk factors and many different ways to identify and treat disease.
Bacteria+Host response to bacterial infection= disease.

Why is periodontal disease much harder to diagnose than caries?

Instead of involving just the tooth, It involves all structures of the periodontium. Also, you must take into account all risk factors and different measurements.

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