age 1 of 20
NBDHE – National Board Dental Hygiene Examination
STUDY GUIDE 2025/2026 COMPREHENSIVE
QUESTIONS WITH VERIFIED CORRECT ANSWERS ||
ALREADY GRADED A+ <BRAND NEW VERSION>
Each of the following oral microorganisms could col- onize soft
tissue EXCEPT one. Which one is this EXCEPTION?
A. Neisseria sicca
B. Candida albicans
C. Streprococcus mitis
D. Streptococcus mutans
E. Streprococcus salivarius .......Answer.........D
,age 2 of 20
The virus responsible for which of the following dis- eases is the
MOST resistant to chemical and physical agents?
A. AIDS
B. Herpes
C. Measles
D. Influenza
E. Hepatitis .......Answer.........E
Root hypersensitivity diminishes as the tooth forms which of the
following?
A. Mantle dentin
B. Secondary de'ntin
C. Cellular cementum
, age 3 of 20
D. Acellular cementum .......Answer.........C
A 21-year-old woman, who is in her third trimester of
pregnancy, has a pyogenic granuloma (3 nun in diam-eter)
between her maxillary left lateral incisor and canine. After
offering oral hygiene instructions, which of the following should
be the NEXT step?
A. Perform an oral prophylaxis.
B. Suggest that the patient see a periodontist.
C. Refer the patient for an excision of the granu-
loma.
D. Allow hormonal influences to subside, and
then reappoint the patient for a prophylaxis
NBDHE – National Board Dental Hygiene Examination
STUDY GUIDE 2025/2026 COMPREHENSIVE
QUESTIONS WITH VERIFIED CORRECT ANSWERS ||
ALREADY GRADED A+ <BRAND NEW VERSION>
Each of the following oral microorganisms could col- onize soft
tissue EXCEPT one. Which one is this EXCEPTION?
A. Neisseria sicca
B. Candida albicans
C. Streprococcus mitis
D. Streptococcus mutans
E. Streprococcus salivarius .......Answer.........D
,age 2 of 20
The virus responsible for which of the following dis- eases is the
MOST resistant to chemical and physical agents?
A. AIDS
B. Herpes
C. Measles
D. Influenza
E. Hepatitis .......Answer.........E
Root hypersensitivity diminishes as the tooth forms which of the
following?
A. Mantle dentin
B. Secondary de'ntin
C. Cellular cementum
, age 3 of 20
D. Acellular cementum .......Answer.........C
A 21-year-old woman, who is in her third trimester of
pregnancy, has a pyogenic granuloma (3 nun in diam-eter)
between her maxillary left lateral incisor and canine. After
offering oral hygiene instructions, which of the following should
be the NEXT step?
A. Perform an oral prophylaxis.
B. Suggest that the patient see a periodontist.
C. Refer the patient for an excision of the granu-
loma.
D. Allow hormonal influences to subside, and
then reappoint the patient for a prophylaxis
