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NBDHE DENTAL HYGIENIST LATEST VERSION ACTUAL EXAM 2025 QUESTIONS AND DETAILED CORRECT ANSWERS WITH RATIONALES (VERIFIED ANSWERS) | ALREADY GRADED A+$22.99
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NBDHE DENTAL HYGIENIST LATEST
VERSION ACTUAL EXAM QUESTIONS
AND DETAILED CORRECT ANSWERS
WITH RATIONALES (VERIFIED
ANSWERS) | ALREADY GRADED A+
While reviewing brushing techniques, the patient exhibits
the method that she uses. She brushes with the bristles
aimed toward the gingival margin and then rolls the brush
toward the occlusal surface. What method is this?
a. Fones
b. Roll
c. Leonard
d. Charters Correct Answer b. Roll
exp: The Roll method of brushing starts with the
bristles at the gum margin and then rolls the brush
toward the incisal or occlusal surfaces.
During oral hygiene instruction, the hygienist discloses the
patient's teeth with an agent that stains new and mature
plaque in red and blue tints. What type of agent does she
use?
a. Erythrosin
b. Disclosing tablet
c. Two-tone disclosing solution
d. Bismarck Brown Correct Answer c. Two-tone disclosing
solution
,exp: Two-tone disclosing solutions will stain new
plaque red and mature plaque blue, that way oral
hygiene instruction can address areas in the mouth
that have developed plaque buildup due to inefficient
brushing over time.
The patient lives in a rural area and has a well as her
water source. There is no natural fluoridation of the water
in the area. The hygienist recommends a weekly
supplemental dosage of fluoride. What is the proper
dosage for the patient's age?
a. 1.0mg
b. 0.5mg
c. 0.01 mg
d. 0.25mg Correct Answer a. 1.0 mg
exp:
1.0 mg of weekly supplemental fluoride is the proper
dosage for people ages 6-16.
Halitosis Correct Answer bad breath
When preparing the fluoride tray for a gel application, what
is the maximum amount of gel that should be placed in the
fluoride tray?
a. 4ml
b. 8ml
c. 2ml
d. 12ml Correct Answer a. 4ml
,exp: A maximum of 2ml per arch, or 4ml total should
be placed in a fluoride tray for application. A toxic
dose is 5mg/kg for children.
The hygienist prepares a solution for subgingival irrigation
after the scaling and root planing procedure. Which of the
following solutions is NOT a commonly used irrigant?
a. Chlorhexidine digluconate
b. Stannous Fluoride
c. Listerine
d. Povidone-iodine Correct Answer c. Listerine
exp: Listerine is not a commonly used solution for
subgingival irrigation following a periodontal
procedure. The most common are 0.12%
chlorhexidine, 0.4% stannous fluoride and 0.05%
povidone-iodine.
The hygienist then demonstrates a brushing method that
places the bristles at the attached gingiva and sweeps
them up apically, then sweeps over the gingiva and the
tooth. What method is this?
a. Combination
b. Leonard
c. Roll
d. Stillman's Correct Answer c. Roll
exp: The roll method involves brushing with the
bristles at the gingival margin and sweeping them
apically over the gingiva, then sweeping up over the
gingiva onto the tooth.
Which of the following is NOT true in regard to ADHD?
, a. Treatment may include stimulants
b. May cause irritability and impulsiveness
c. More common in girls
d. Can make it difficult to acquire new skills Correct
Answer c. More common in girls
exp: ADHD is more common in boys. All of the other
statements are correct.
Which of the following appearances of gum tissue evident
in the patient's mouth would be considered healthy?
a. Soft
b. Coral/pink
c. Shiny with thin epithelial tissue
d. Blunted Correct Answer b. Coral/pink
exp: Healthy gums will appear coral pink in color.
They are also firm, pointed in contour and have
smooth margins.
What is the most common type of implant?
a. Endosteal
b. Osseointergrated
c. Subperiosteal
d. Transosteal Correct Answer a. Endosteal
exp: The patient received endosteal implants. They
are the most common type of implant placed. The
endosteal implant is surgically placed in the jawbone,
whereas a subperiosteal implant is placed on top of
the bone. Transosteal implants are primary used in
edentulous patients. Osseointergration is the process
on the bone growing around the implant.
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