NDAEB Practice Exam UPDATED ACTUAL Questions and
CORRECT Answers
1. A patient presents with swelling and pain in quad- D. Acute periradicular abscess
rant 1. During the review of the patient's medical
history, it is noted that he has a history of grand
mal seizures. Tooth 1-6 is extremely sensitive to
percussion. The surrounding tissues are inflamed
and pus is extruding from a fistula on a buck-
led gingival. The dentist prescribes a periapical
digital image which reveals a perforation on a
curved root, caused by the failure of a previous
endodontic procedure. To save the tooth, surgery
is recommended to which the patient consents.
The presence of pus and swelling of the tissue
resulting in necrosis indicates which of the follow-
ing conditions.
A. Pulp fibrosis
B. Periodontal abscess
C. Chronic hyperglycemia
D. Acute periridicular abscess
2. Which of the following components of a custom D. Spacer stops
tray is created by creating small voids in wax cov-
ering the model?
A. Spacer
B. Handle
C. Outlines
D. Spacer stops
3. A patient is scheduled in the oral surgeon's office C. 9 days
for extractions of tooth 18 and 48. They have
insulin-dependent diabetes and have taken the
required medication and food before arriving for
this appointment. The patient appears nervous.
, NDAEB Practice Exam UPDATED ACTUAL Questions and
CORRECT Answers
When should the removal of the silk sutures fol-
lowing the surgical extractions occur?
A. 3 days
B. 6 days
C. 9 days
D. 12 days
4. The dental assistant modifies a toothbrushing A. Within their scope of practice
technique for a patient who has limited dexterity.
Is this
A. Within their scope of practice
B. An act of omission
C. An act of commission
5. The dental assistant places a Pitt and Fisher B. Malpractice due to an ethical
sealant on the tooth 2-6 when the treatment was breach
planned on tooth 27. Is this
A. Within their scope of practice
B. Malpractice due to an ethical breach
C. Illegal and outside of their scope of practice
6. A patient presents to the dental office complain- D.Contra angle
ing of a toothache. Upon examination, the dentist
asks the dental assistant to take a radiographic For a posterior tooth with an in-
image of tooth 3-6. The dentist reviews the im- terproximal wall and buccal exten-
age and noted that they have decay that appears sion, the best choice is: Contra An-
close to the pulpal chamber. The patient is un- gle
employed, does not have dental insurance, and
wants to keep the tooth. The preparation includes
an interproximal wall which is extended onto the
buccal surface. Which one of the following matrix
retainers would be required to restore the tooth?
, NDAEB Practice Exam UPDATED ACTUAL Questions and
CORRECT Answers
A. Straight
B. Sectional
C. Universal
D. Contra angle
7. An adult patient presents to the dental office for D. Semi-Supine
their scheduled root canal procedure on tooth
4-6. The medical history indicates multiple scle-
rosis. The dentist instructs the assistant to set
out hand files for the initial debridement and ro-
tary files to enlarge the walls of the canals. The
tooth will be irrigated and dried before placing
a radiopig material to fill the canals. What chair
position would be best for this patient?
A. Supine
B. Upright
C. Sub-Supine
D. Semi-Supine
8. A 16-year-old patient presents to an orthodontic D. Mandibular second premolars.
office for an intra-initial consultation. The follow-
ing is documented in the patient's record. Past
history of thumb sucking, protrusive maxillary
central and lateral incisors, moderate crowding in
the lower anteriors, teeth 75, and 85 are still re-
tained in the mouth. Alginate impressions and or-
thodontic records are completed. The treatment
plan is presented to the parents. At a second
appointment, the treatment plan is accepted and
appointments are scheduled to begin treatment.
Which permanent teeth are not present in the
patient's mouth?
CORRECT Answers
1. A patient presents with swelling and pain in quad- D. Acute periradicular abscess
rant 1. During the review of the patient's medical
history, it is noted that he has a history of grand
mal seizures. Tooth 1-6 is extremely sensitive to
percussion. The surrounding tissues are inflamed
and pus is extruding from a fistula on a buck-
led gingival. The dentist prescribes a periapical
digital image which reveals a perforation on a
curved root, caused by the failure of a previous
endodontic procedure. To save the tooth, surgery
is recommended to which the patient consents.
The presence of pus and swelling of the tissue
resulting in necrosis indicates which of the follow-
ing conditions.
A. Pulp fibrosis
B. Periodontal abscess
C. Chronic hyperglycemia
D. Acute periridicular abscess
2. Which of the following components of a custom D. Spacer stops
tray is created by creating small voids in wax cov-
ering the model?
A. Spacer
B. Handle
C. Outlines
D. Spacer stops
3. A patient is scheduled in the oral surgeon's office C. 9 days
for extractions of tooth 18 and 48. They have
insulin-dependent diabetes and have taken the
required medication and food before arriving for
this appointment. The patient appears nervous.
, NDAEB Practice Exam UPDATED ACTUAL Questions and
CORRECT Answers
When should the removal of the silk sutures fol-
lowing the surgical extractions occur?
A. 3 days
B. 6 days
C. 9 days
D. 12 days
4. The dental assistant modifies a toothbrushing A. Within their scope of practice
technique for a patient who has limited dexterity.
Is this
A. Within their scope of practice
B. An act of omission
C. An act of commission
5. The dental assistant places a Pitt and Fisher B. Malpractice due to an ethical
sealant on the tooth 2-6 when the treatment was breach
planned on tooth 27. Is this
A. Within their scope of practice
B. Malpractice due to an ethical breach
C. Illegal and outside of their scope of practice
6. A patient presents to the dental office complain- D.Contra angle
ing of a toothache. Upon examination, the dentist
asks the dental assistant to take a radiographic For a posterior tooth with an in-
image of tooth 3-6. The dentist reviews the im- terproximal wall and buccal exten-
age and noted that they have decay that appears sion, the best choice is: Contra An-
close to the pulpal chamber. The patient is un- gle
employed, does not have dental insurance, and
wants to keep the tooth. The preparation includes
an interproximal wall which is extended onto the
buccal surface. Which one of the following matrix
retainers would be required to restore the tooth?
, NDAEB Practice Exam UPDATED ACTUAL Questions and
CORRECT Answers
A. Straight
B. Sectional
C. Universal
D. Contra angle
7. An adult patient presents to the dental office for D. Semi-Supine
their scheduled root canal procedure on tooth
4-6. The medical history indicates multiple scle-
rosis. The dentist instructs the assistant to set
out hand files for the initial debridement and ro-
tary files to enlarge the walls of the canals. The
tooth will be irrigated and dried before placing
a radiopig material to fill the canals. What chair
position would be best for this patient?
A. Supine
B. Upright
C. Sub-Supine
D. Semi-Supine
8. A 16-year-old patient presents to an orthodontic D. Mandibular second premolars.
office for an intra-initial consultation. The follow-
ing is documented in the patient's record. Past
history of thumb sucking, protrusive maxillary
central and lateral incisors, moderate crowding in
the lower anteriors, teeth 75, and 85 are still re-
tained in the mouth. Alginate impressions and or-
thodontic records are completed. The treatment
plan is presented to the parents. At a second
appointment, the treatment plan is accepted and
appointments are scheduled to begin treatment.
Which permanent teeth are not present in the
patient's mouth?
