NBDHE Review Exam Questions
and Answers 100% Pass
What is a benefit of resin-based sealants?
A.) Fluoride is released from material to inhibit decay
B.) When placed correctly, retention is excellent
C.) Bond strength is improved in a moist environment
D.) No polymerization shrinkage occurs - ANSWER-B.) When placed correctly,
retention is excellent
Which is the most common desensitizing agent found in over-the-counter
dentifrices?
A.) Potassium
B.) Glutaraldehyde
C.) Hydrogen Peroxide
D.) Triclosan - ANSWER-
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 1
,Each of the following patients would benefit from prescription fluoride
supplements except one. Which is the exception?
A.) 16- year old male living in a community where the fluoride level in the water is
0.5 ppm
B.) 7-month old female who receives her total dietary intake from breast milk
C.) 5- year old male living in a community where the fluoride level in the water
supply is 0.2 ppm
D.) 33- year old female in her second trimester of pregnancy who drinks
unfluoridated water - ANSWER-D.) 33- year old female in her second trimester of
pregnancy who drinks unfluoridated water
Which of the following characteristics of body tissue determines its sensitivity to
radiation?
A.) Blood flow
B.) Mitotic rate
C.) Iron content
D.) Oxyhemoglobin concentration
E.) None of the choices - ANSWER-
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 2
,Which water- soluble vitamin prevents spina bifida?
A.) Folate
B.) Thiamin
C.) Niacin
D.) AScorbic acid - ANSWER-
Which assess fremitus?
A.)Handles of two single-sided instruments
B.) Clinician's finger
C.) Occlusal indicator paper (mylar strip)
D.) Vertical bitewing radiographs - ANSWER-
Which nerve listed is affected if a patient complains of being unable to experience
touch, pain, hot, cold, or pressure on the anterior two thirds of the tongue?
A.) Glossopharyngeal
B.) Chorda tympani
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 3
, C.) Lingual
D.) Hypoglossal - ANSWER-
WHich schedule of controlled substance is indicated when a prescription states
"no refills"?
A.) III
B.) II
C.) I
D.) IV - ANSWER-B.) II
Each of the following is an appropriate protocol in managing necrotizing ulcerative
gingivitis (NUG) except one. Which one is the exception?
A.) Topical corticosteroid therapy
B.) Therapeutic 0.12% chlorhexidine rinse
C.) Debridement with ultrasonic instruments
D.) Improved oral hygiene care - ANSWER-
Which of the following nerves or branches of a nerve contains pain fiber affected
by disturbances of the temporomandibular joint?
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 4
and Answers 100% Pass
What is a benefit of resin-based sealants?
A.) Fluoride is released from material to inhibit decay
B.) When placed correctly, retention is excellent
C.) Bond strength is improved in a moist environment
D.) No polymerization shrinkage occurs - ANSWER-B.) When placed correctly,
retention is excellent
Which is the most common desensitizing agent found in over-the-counter
dentifrices?
A.) Potassium
B.) Glutaraldehyde
C.) Hydrogen Peroxide
D.) Triclosan - ANSWER-
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 1
,Each of the following patients would benefit from prescription fluoride
supplements except one. Which is the exception?
A.) 16- year old male living in a community where the fluoride level in the water is
0.5 ppm
B.) 7-month old female who receives her total dietary intake from breast milk
C.) 5- year old male living in a community where the fluoride level in the water
supply is 0.2 ppm
D.) 33- year old female in her second trimester of pregnancy who drinks
unfluoridated water - ANSWER-D.) 33- year old female in her second trimester of
pregnancy who drinks unfluoridated water
Which of the following characteristics of body tissue determines its sensitivity to
radiation?
A.) Blood flow
B.) Mitotic rate
C.) Iron content
D.) Oxyhemoglobin concentration
E.) None of the choices - ANSWER-
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 2
,Which water- soluble vitamin prevents spina bifida?
A.) Folate
B.) Thiamin
C.) Niacin
D.) AScorbic acid - ANSWER-
Which assess fremitus?
A.)Handles of two single-sided instruments
B.) Clinician's finger
C.) Occlusal indicator paper (mylar strip)
D.) Vertical bitewing radiographs - ANSWER-
Which nerve listed is affected if a patient complains of being unable to experience
touch, pain, hot, cold, or pressure on the anterior two thirds of the tongue?
A.) Glossopharyngeal
B.) Chorda tympani
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 3
, C.) Lingual
D.) Hypoglossal - ANSWER-
WHich schedule of controlled substance is indicated when a prescription states
"no refills"?
A.) III
B.) II
C.) I
D.) IV - ANSWER-B.) II
Each of the following is an appropriate protocol in managing necrotizing ulcerative
gingivitis (NUG) except one. Which one is the exception?
A.) Topical corticosteroid therapy
B.) Therapeutic 0.12% chlorhexidine rinse
C.) Debridement with ultrasonic instruments
D.) Improved oral hygiene care - ANSWER-
Which of the following nerves or branches of a nerve contains pain fiber affected
by disturbances of the temporomandibular joint?
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 4
