NDEB Study Guide Questions with Verified
Correct Answers
To decrease abutment tooth sensitivity, a fixed
bridge may be temporarily seated using
A. polycarboxylate cement.
B. acrylic resin cement.
C. zinc oxide eugenol cement.
D. glass ionomer cement.
C. zinc oxide eugenol cement.
The genial tubercles are best visualized on which
type of radiograph?
A. Occlusal.
B. Periapical.
C. Bitewing.
D. Panoramic.
A. Occlusal.
For the extraction of maxillary teeth, the most
appropriate position of the maxillary occlusal plane
is
A. parallel to the floor.
B. 20º to the floor.
C. 60º to the floor.
D. 90º to the floor.
C. 60º to the floor.
,The management of syncope following local
anesthetic administration does NOT include
A. elevating the legs.
B. placing in a supine position.
C. administering oxygen.
D. ensuring the airway is open.
E. administering epinephrine.
E. administering epinephrine.
To initiate caries, bacterial plaque pH must reach
A. 5.4.
B. 5.9.
C. 6.4.
D. 6.9.
A. 5.4.
Which of the following variables has the greatest
effect on bond strength?
A. Moisture control.
B. Size of the bracket base.
C. Type of acid etch.
D. Composition of the resin cement.
E. Patient oral hygiene.
A. Moisture control.
Most bone loss following the placement of dental
implants occurs at
,A. 0 - 1 year.
B. 2 - 4 years.
C. 5 - 7 years.
D. 10 - 12 years.
A. 0 - 1 year.
A patient presents with hypodontia, conical teeth,
fine, scanty, fair hair, and an intolerance to hot
weather. The most likely diagnosis is
A. achondroplasia.
B. malignant hyperthermia.
C. ectodermal dysplasia.
D. cystic fibrosis.
C. ectodermal dysplasia.
Which of the following can be associated with an
impacted tooth?
A. Periapical osseous dysplasia (periapical
cemento-osseous dysplasia).
B. Peripheral odontogenic fibroma.
C. Cementoblastoma.
D. Ameloblastoma.
D. Ameloblastoma.
In partial denture design, the major connector should
A. rigidly connect the bilateral components.
B. act as a stress-breaker.
, C. not interfere with lateral forces.
D. dissipate vertical forces.
A. rigidly connect the bilateral components.
Oral hairy leukoplakia primarily occurs with
A. diabetes.
B. hepatitis A.
C. HIV.
D. hypophosphatasia.
E. Papillon-Lefèvre syndrome.
C. HIV.
A patient suddenly becomes pale and sweaty after an
injection of 4ml of lidocaine 2% with epinephrine
l:l00,000. The radial pulse is slow and steady. The
respiration is slow. The blood pressure is 80/60.
What is the most probable diagnosis?
A. A toxic reaction to lidocaine.
B. A toxic reaction to epinephrine.
C. An allergic reaction to the local anesthetic.
D. Incipient syncope.
E. An impending adrenal insufficiency.
D. Incipient syncope.
What is the most likely cause of a maxillary denture
dislodging when the patient opens wide or makes
extreme lateral excursions?
Correct Answers
To decrease abutment tooth sensitivity, a fixed
bridge may be temporarily seated using
A. polycarboxylate cement.
B. acrylic resin cement.
C. zinc oxide eugenol cement.
D. glass ionomer cement.
C. zinc oxide eugenol cement.
The genial tubercles are best visualized on which
type of radiograph?
A. Occlusal.
B. Periapical.
C. Bitewing.
D. Panoramic.
A. Occlusal.
For the extraction of maxillary teeth, the most
appropriate position of the maxillary occlusal plane
is
A. parallel to the floor.
B. 20º to the floor.
C. 60º to the floor.
D. 90º to the floor.
C. 60º to the floor.
,The management of syncope following local
anesthetic administration does NOT include
A. elevating the legs.
B. placing in a supine position.
C. administering oxygen.
D. ensuring the airway is open.
E. administering epinephrine.
E. administering epinephrine.
To initiate caries, bacterial plaque pH must reach
A. 5.4.
B. 5.9.
C. 6.4.
D. 6.9.
A. 5.4.
Which of the following variables has the greatest
effect on bond strength?
A. Moisture control.
B. Size of the bracket base.
C. Type of acid etch.
D. Composition of the resin cement.
E. Patient oral hygiene.
A. Moisture control.
Most bone loss following the placement of dental
implants occurs at
,A. 0 - 1 year.
B. 2 - 4 years.
C. 5 - 7 years.
D. 10 - 12 years.
A. 0 - 1 year.
A patient presents with hypodontia, conical teeth,
fine, scanty, fair hair, and an intolerance to hot
weather. The most likely diagnosis is
A. achondroplasia.
B. malignant hyperthermia.
C. ectodermal dysplasia.
D. cystic fibrosis.
C. ectodermal dysplasia.
Which of the following can be associated with an
impacted tooth?
A. Periapical osseous dysplasia (periapical
cemento-osseous dysplasia).
B. Peripheral odontogenic fibroma.
C. Cementoblastoma.
D. Ameloblastoma.
D. Ameloblastoma.
In partial denture design, the major connector should
A. rigidly connect the bilateral components.
B. act as a stress-breaker.
, C. not interfere with lateral forces.
D. dissipate vertical forces.
A. rigidly connect the bilateral components.
Oral hairy leukoplakia primarily occurs with
A. diabetes.
B. hepatitis A.
C. HIV.
D. hypophosphatasia.
E. Papillon-Lefèvre syndrome.
C. HIV.
A patient suddenly becomes pale and sweaty after an
injection of 4ml of lidocaine 2% with epinephrine
l:l00,000. The radial pulse is slow and steady. The
respiration is slow. The blood pressure is 80/60.
What is the most probable diagnosis?
A. A toxic reaction to lidocaine.
B. A toxic reaction to epinephrine.
C. An allergic reaction to the local anesthetic.
D. Incipient syncope.
E. An impending adrenal insufficiency.
D. Incipient syncope.
What is the most likely cause of a maxillary denture
dislodging when the patient opens wide or makes
extreme lateral excursions?
