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NBDHE Community Health Portion: Practice Questions and Answers, Exams of Medicine

A series of practice questions and answers related to the community health portion of the nbdhe (national board dental hygiene examination). It covers topics such as epidemiology, prevention, oral health indices, and data analysis. The questions are designed to test knowledge of key concepts and principles relevant to community health in dental hygiene practice.

Typology: Exams

2024/2025

Available from 03/08/2025

Tutornurse
Tutornurse 🇺🇸

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NBDHE COMMUNITY HEALTH PORTION
ACTUAL EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST 2025 ALREADY
GRADED A+
CPITN does which of the following?
A. assesses individuals performance in removing debris after instructions.
B. records presence of plaque on all individual tooth surfaces
C. determines periodontal treatment needs rather than periodontal status
D. Measures attachment loss - ANSWERS-C. Determines periodontal treatment
needs rather than periodontal status; stands for The Community Periodontal
Index of Treatment Needs.
A patient wants to get a veneers on teeth 8 and 9. This falls under which of the
following?
A. Need
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NBDHE – COMMUNITY HEALTH PORTION

ACTUAL EXAM WITH CORRECT ACTUAL

QUESTIONS AND CORRECTLY WELL

DEFINED ANSWERS LATEST 2025 ALREADY

GRADED A+

CPITN does which of the following? A. assesses individuals performance in removing debris after instructions. B. records presence of plaque on all individual tooth surfaces C. determines periodontal treatment needs rather than periodontal status D. Measures attachment loss - ANSWERS-C. Determines periodontal treatment needs rather than periodontal status; stands for The Community Periodontal Index of Treatment Needs.

A patient wants to get a veneers on teeth 8 and 9. This falls under which of the following? A. Need

B. Demand C. Utilization D. Barriers - ANSWERS-B. Demand (type of care desired)

-need: type of care available -utilization: actual receipt of dental treatment by public -barriers: interferences with care to be provided or recieved

Which type of examination is a complete examination-includes a mouth mirror and explorer, lighting, thorough radiographs, study models and tests as needed? A. Type I B. Type II C. Type III D. Type IV - ANSWERS-A. Type I

Which sample describes a group being chosen based on ease. Example: standing outside of a grocery store and giving survey to anyone you see. A. Stratified B. Judgement C. Random

A. International B. Federal C. State D. Local - ANSWERS-B. Federal

If the mean score is 50 with a standard deviation of 5, what would a -1 standard deviation be? A. 49 B. 51 C. 45 D. 55 - ANSWERS-C. 45

  • 50 is the mean then standard deviation is 5, so if its minus 1 you would actually subtract whatever the standard deviation is one time. If it was -2, you would subtract the standard deviation twice, making it 40.

The ability of a test to correctly identify the presence of a disease describes what term? A. Sensitivity B. Specificity - ANSWERS-A. Sensitivity

The ability of a test to correctly identify the absence of a disease describes what term?

A. Sensitivity B. Specificity - ANSWERS-B. Specificity

Which of the following describes a positive correlation? A. As x increase, y decreases B. As x decreases, y decreases C. A x increases, y decreases - ANSWERS-C. As x increases, y decreases

Which of the following describes a negative correlation? A. As x increase, y decreases B. As x decreases, y decreases C. A x increases, y decreases - ANSWERS-A. As x increases, y decreases

What test does this scenario describe? A hygienist goes to a classroom of 5th grade students. There are 20 total students and she decides to divide them into 5 groups of 4. This is a ______ A. t-test B. ANOVA (Analysis of Variance) p-value (Probability of Variance) - ANSWERS-B. ANOVA

-by definition, an ANOVA is used when comparing the statistical difference between three or more mean scores. (5 groups in this case)

D. Systematic - ANSWERS-A. Stratified

-usually with stratified, the subgroups have something in common.

Which sample describes someone who knows the population and selects the sample; familiarity with the population? It also has the most bias? A. Stratified B. Random C. Judgement D. Convenience - ANSWERS-C. Judgement -pick people who will choose the results they want

Which stage of prevention does nutritional counseling and fluoride application fall under? A. Primary prevention B. Secondary prevention C. Tertiary prevention - ANSWERS-A. Primary prevention

Which of the following would be considered a secondary prevention service? A. Implants B. An amalgam restoration

C. Fluoride mouth rinse twice a day D. Whitening - ANSWERS-B. An amalgam restoration

-secondary prevention services include any restorations and/or periodontal debridement -implants are an example of a tertiary service -fluoride mouth rinse would be a primary preventative service -whitening is not a preventative service`

Which of the following is an unexpectedly large number of cases of a disease in a population at a particular time and place? A. Pandemic B. Epidemic C. Endemic D. Incidence - ANSWERS-B. Epidemic

Which of the following describes a disease that occurs regularly in a population as a matter of course? A. Pandemic B. Epidemic C. Endemic D. Incidence - ANSWERS-C. Endemic

D. Longitudinal study - ANSWERS-A. Descriptive study

-A retrospective study seeks to compare those diagnosed with a disease with those who do not have the disease -A prospective study is a cohort study classified by exposure to one or more specific risk factors and observed into the future to determine the rate at which the disease develops. -A longitudinal study is when a group is observed over a long period of time.

CAMBRA means? - ANSWERS-caries management by risk assessment

DMFT/DMFS is reversible. DMFT/DMFS is for permanent teeth. A. Both true B. Both false C. First true, second false D. First false, second true - ANSWERS-D. First false, second true

DMFT/DMFS is irreversible. It is for permanent teeth because its upper case.

dmft means? - ANSWERS-decayed, missing, filled teeth

-lower case for primary teeth, upper case for permanent teeth

T/F All caries indices are irreversible. - ANSWERS-True

Which of the following indices are irreversible? A. GI B. SBI C. PDI D. OHI-S - ANSWERS-C. PDI (periodontal disease index) is irreversible. Measures the prevalence and severity of periodontal disease.

-GI (gingival index) is reversible. based on the severity of inflammation and location -SBI (sulcular bleeding index) is reversible. designed to detect early symptoms of gingivitis. -OHI-S(simplified oral hygiene index) is reversible and is used to measure oral hygiene status.

Which of the following indices determines the need for full-mouth periodontal assessment? A. PI B. PSR C. PHP D. VMI - ANSWERS-B. PSR (Periodontal Screening and Recording)- requires a special probe.

Know the 'Stages of Learning' - ANSWERS-Habit | Action | Involvement | Self-interest | Awareness | Unawareness (Ugly Apes Sit in a Hut)