NDEB EXAM STUDY QUESTIONS WITH
CORRECT ANSWERS
◉ The line drawn through the occlusal rests of two
principal abutments is
A. survey line.
B. terminal line.
C. axis of rotation/fulcrum line.
D. line of greatest torque. Answer: C. axis of rotation/fulcrum line.
◉ Intraoral soft tissue examination will NOT assist in
the diagnosis of
A. lichen planus.
B. sinusitis.
C. erythema multiforme.
D. anemia.
E. vitamin deficiencies Answer: B. sinusitis.
◉ An anxious 67 year old patient presents for
consultation to extract tooth 4.6. The medical history
includes a heart murmur, hypertension and a
,cerebrovascular accident 5 years ago. Medications
include clopidrogel, hydrochlorothiazide and
rosuvastatin. What is the most appropriate
preoperative management?
A. Prescribing antibiotic prophylaxis.
B. Ordering an INR test within 24 hours prior to
procedure.
C. Discussing with the patient the use of sedation.
D. Requesting a complete blood count. Answer: C. Discussing with
the patient the use of sedation.
◉ Which of the following improves the prognosis of
pulp vitality after indirect pulp capping?
A. Use of calcium hydroxide.
B. Having a well sealed restoration.
C. Reducing other traumas to the pulp.
D. Removing all demineralized dentin. Answer: B. Having a well
sealed restoration.
◉ In clinical dentistry, stiffness of wire is a function of
A. length of the wire segment.
B. diameter of the wire segment.
,C. alloy composition.
D. All of the above.
E. None of the above. Answer: D. All of the above.
◉ An 8 year old patient has a permanent central incisor
with a necrotic pulp and a wide open apex. The most
appropriate management is to perform a/an
A. pulpotomy.
B. apexification.
C. regenerative endodontics.
D. root canal therapy. Answer: B. apexification.
◉ Hyperplastic lingual tonsils may resemble which of
the following?
A. Epulis fissuratum.
B. Lingual varicosities.
C. Squamous cell carcinoma.
D. Median rhomboid glossitis.
E. Prominent fungiform papillae Answer: C. Squamous cell
carcinoma.
◉ The major disadvantage of zinc phosphate used to
, cement crowns is the
A. development of heat during setting.
B. pulp irritation.
C. lack of edge strength.
D. low crushing strength. Answer: B. pulp irritation.
◉ The most effective way of minimizing a patient's
radiation dose is
A. a lead apron and thyroid collar.
B. prescription radiography.
C. fast emulsion film.
D. intensifying screens. Answer: B. prescription radiography.
◉ An acute periapical abscess originating from a
mandibular third molar generally points and drains
in the
A. submandibular space.
B. pterygomandibular space.
C. buccal vestibule.
D. buccal space. Answer: A. submandibular space.
◉ Which of the following require prophylactic
CORRECT ANSWERS
◉ The line drawn through the occlusal rests of two
principal abutments is
A. survey line.
B. terminal line.
C. axis of rotation/fulcrum line.
D. line of greatest torque. Answer: C. axis of rotation/fulcrum line.
◉ Intraoral soft tissue examination will NOT assist in
the diagnosis of
A. lichen planus.
B. sinusitis.
C. erythema multiforme.
D. anemia.
E. vitamin deficiencies Answer: B. sinusitis.
◉ An anxious 67 year old patient presents for
consultation to extract tooth 4.6. The medical history
includes a heart murmur, hypertension and a
,cerebrovascular accident 5 years ago. Medications
include clopidrogel, hydrochlorothiazide and
rosuvastatin. What is the most appropriate
preoperative management?
A. Prescribing antibiotic prophylaxis.
B. Ordering an INR test within 24 hours prior to
procedure.
C. Discussing with the patient the use of sedation.
D. Requesting a complete blood count. Answer: C. Discussing with
the patient the use of sedation.
◉ Which of the following improves the prognosis of
pulp vitality after indirect pulp capping?
A. Use of calcium hydroxide.
B. Having a well sealed restoration.
C. Reducing other traumas to the pulp.
D. Removing all demineralized dentin. Answer: B. Having a well
sealed restoration.
◉ In clinical dentistry, stiffness of wire is a function of
A. length of the wire segment.
B. diameter of the wire segment.
,C. alloy composition.
D. All of the above.
E. None of the above. Answer: D. All of the above.
◉ An 8 year old patient has a permanent central incisor
with a necrotic pulp and a wide open apex. The most
appropriate management is to perform a/an
A. pulpotomy.
B. apexification.
C. regenerative endodontics.
D. root canal therapy. Answer: B. apexification.
◉ Hyperplastic lingual tonsils may resemble which of
the following?
A. Epulis fissuratum.
B. Lingual varicosities.
C. Squamous cell carcinoma.
D. Median rhomboid glossitis.
E. Prominent fungiform papillae Answer: C. Squamous cell
carcinoma.
◉ The major disadvantage of zinc phosphate used to
, cement crowns is the
A. development of heat during setting.
B. pulp irritation.
C. lack of edge strength.
D. low crushing strength. Answer: B. pulp irritation.
◉ The most effective way of minimizing a patient's
radiation dose is
A. a lead apron and thyroid collar.
B. prescription radiography.
C. fast emulsion film.
D. intensifying screens. Answer: B. prescription radiography.
◉ An acute periapical abscess originating from a
mandibular third molar generally points and drains
in the
A. submandibular space.
B. pterygomandibular space.
C. buccal vestibule.
D. buccal space. Answer: A. submandibular space.
◉ Which of the following require prophylactic
