NBDHE BOARD EXAM REVIEW QUESTION BANK 2025 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALL ANSWERED {570 Q & A} ALREADY GRADED A+/ NBDHE COMPREHENSIVE REVIEW/ CURRENTLY TESTING QUESTIONS | GUARANTEED PASS

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NBDHE BOARD EXAM REVIEW QUESTION BANK
2025 ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {570 Q & A} ALREADY GRADED A+/
NBDHE COMPREHENSIVE REVIEW/ CURRENTLY
TESTING QUESTIONS | GUARANTEED PASS




What lowers blood cholesterol?
A. Sugar
B. Starch
C. Insoluble fiber
D. Soluble fiber - ✔✔✔ Correct Answer > d. Soluble fiber


When the alveolar bone is sufficient and deeply embedded to
support normal usage of the crown, the tooth has proper:
A. Crown-to-gum ratio
B. Gum-to-bone ratio
C. Crown-to-root ratio
D. Crown-to-gingiva ratio - ✔✔✔ Correct Answer > c. Crown-to-root
ratio


What entity has no relationship with periodontal disease?

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A. Starches
B. Lipids
C. Sugars
D. Amino acids - ✔✔✔ Correct Answer > b. Lipids


What instrument is limited to use on the enamel surfaces and the
outer surface of a calculus deposit?
A. Universal curet
B. Periodontal file
C. Explorer
D. Sickle scaler - ✔✔✔ Correct Answer > b. Periodontal file


At what phase of the dental hygiene process-of-care algorithm
does synthesizing, analyzing, and interpreting client data take
place?
A. Evaluation
B. Implementation
C. Assessment
D. Planning - ✔✔✔ Correct Answer > d. Planning


At what age is tooth calcification completed?
A. 13

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B. 18
C. 21
D. 22 - ✔✔✔ Correct Answer > a. 13


What stage of tooth development is termed the "ugly duckling"
stage?
A. Primary
B. Permanent
C. Mixed
D. No such stage - ✔✔✔ Correct Answer > c. Mixed


Diphyodonts have how many sets of teeth in a lifetime?
A. 1
B. 2
C. 3
D. Diphyodonts do not have teeth - ✔✔✔ Correct Answer > b. 2


At what stage in the learning process is an individual motivated
to change behavior?
A. Awareness
B. Habit
C. Self-Interest

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D. Involvement - ✔✔✔ Correct Answer > b. Habit


What regulates most cells to stimulate physiologic activity?
A. Steroids
B. Proprioceptives
C. Hormones
D. Glycoprotein - ✔✔✔ Correct Answer > c. Hormones


What is composed of woven bone or cribriform plate?
A. Contour bone proper
B. Dehiscence bone proper
C. Proximal bone proper
D. Alveolar bone proper - ✔✔✔ Correct Answer > d. Alveolar bone
proper


What is composed of collagen fiber and elastic fiber system?
A. Gingival groove
B. Gingiva fibers
C. Papillae
D. Marginal gingiva - ✔✔✔ Correct Answer > b. Gingiva fibers