NBDHE Community Oral Health Principles 2

Question 1

Which epidemiological index is most commonly used to measure dental caries prevalence in community surveys?

Accepted Answer

DMFT index

Answer

OHI-S index

Answer

Russell's periodontal index

Answer

Gingival index

Question 2

What is the primary goal of primary prevention in community dental health?

Accepted Answer

Preventing disease before it occurs

Answer

Treating existing disease early

Answer

Rehabilitating after disease

Answer

Monitoring disease progression

Question 3

Which water fluoride concentration is currently recommended by the U.S. Public Health Service for community water fluoridation?

Accepted Answer

0.7 mg/L

Answer

1.0 mg/L

Answer

1.2 mg/L

Answer

0.5 mg/L

Question 4

The Social Learning Theory used in oral health education suggests that behavior change is most effectively achieved through:

Accepted Answer

Observational learning and self-efficacy

Answer

Punishment and negative reinforcement

Answer

Biological drives alone

Answer

Unconscious motivations

Question 5

A dental hygienist conducting a community needs assessment should FIRST:

Accepted Answer

Define the target population and gather existing data

Answer

Design an intervention program

Answer

Train volunteers for data collection

Answer

Apply for grant funding

Question 6

Head Start oral health programs in the United States primarily target which population?

Accepted Answer

Low-income children ages 0–5 and their families

Answer

Elderly adults in nursing facilities

Answer

Adolescents in public high schools

Answer

Migrant farm workers of all ages