NBDHE NBDHE Community Oral Health Principles 4

Question 1

Fluorosis is caused by excessive fluoride intake during:

Accepted Answer

Tooth eruption

Answer

Dental fluorosis results from excessive fluoride exposure during tooth development and mineralization, before eruption.

Question 2

An ROC curve is used in epidemiology to evaluate:

Accepted Answer

Diagnostic test performance across thresholds

Answer

A receiver operating characteristic (ROC) curve plots sensitivity vs. (1-specificity) across all possible cut-off values to assess overall test accuracy.

Question 3

Which approach characterizes the social-ecological model of health promotion?

Accepted Answer

Addressing multiple levels: individual, interpersonal, community, and policy

Answer

The social-ecological model recognizes that health behaviors are influenced by interconnected levels from individual to societal policy.

Question 4

In program evaluation, 'process evaluation' measures:

Accepted Answer

Whether the program was delivered as planned

Answer

Process evaluation assesses fidelity of implementation — whether program activities were carried out as intended.

Question 5

The DMFT index counts which teeth in adults?

Accepted Answer

28 permanent teeth excluding third molars

Answer

The standard DMFT index examines 28 permanent teeth, excluding third molars, to measure caries experience.

NBDHE Test Practice Test

NBDHE Test Practice Test

NBDHE NBDHE Community Oral Health Principles 4