Page 1 of 88
NEW NDEB ACTUAL EXAM QUESTIONS
WITH 100% CORRECT ANSWERS
GRADED A+ TESTED AND APPROVED!!!
The anticariogenic effect of systemic fluoride is related principally to the
A. bactericidal action on oral flora.
B. bacteriostatic action on oral flora.
C. buffering effect on acids produced by cariogenic bacteria.
D. alteration in the composition of the enamel. -- ANSWER--D. alteration in the
composition of the enamel.
When making an indirect wax pattern on a stone die, improved adaptation will result from A.
the use of a separating medium.
B. soaking the die in cold water.
C. burnishing the wax to the die.
D. melting the wax onto the die -- ANSWER--A. the use of a separating medium.
Which of the following clinical conditions is the most serious?
A. Acute apical abscess of a mandibular central incisor.
B. Mid facial cellulitis.
C. Chronic apical abscess of a mandibular third molar.
D. Infected dentigerous cyst. -- ANSWER--B. Mid facial cellulitis.
, Page 2 of 88
A 43 year old patient with a history of severe asthma and nasal polyps has an emergency
pulpotomy. Assuming daily recommended doses are followed, which of the following is the
most appropriate drug management?
A. Acetaminophen 650 mg every 4 hours.
B. Naproxen 250 mg every 6-8 hours.
C. Ketorolac 10 mg every 4 hours.
D. Acetylsalicylic acid 650 mg every 4 hours. -- ANSWER--A. Acetaminophen 650 mg
every 4 hours.
Gold alloy can be given a white colour by introducing sufficient A. zinc.
B. copper.
C. cadmium.
D. palladium. -- ANSWER--D. palladium.
In addition to iron, calcium and folate, which of the following nutrients is of special concern
during pregnancy?
A. Vitamin B12.
B. Pyridoxine.
C. Vitamin D.
D. Ascorbic acid. -- ANSWER--A. Vitamin B12.
In an acute apical abscess (acute periapical abscess), which of the following teeth is most
likely to spread infection to the submandibular space? A. Mandibular second bicuspid.
B. Maxillary third molar.
C. Mandibular first molar.
D. Mandibular third molar.
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E. Mandibular lateral incisor -- ANSWER--D. Mandibular third molar.
A 78 year old patient presents for the extraction of a symptomatic carious erupted tooth 1.8.
Upon elevation, a loud cracking sound is heard and excessive mobility is noted. Upon
palpation, 2/3 of the tuberosity is involved. What is the most appropriate next step?
A. Continue with extraction and remove tooth and bone with forceps, then suture to
stabilize.
B. Discontinue extraction, splint tooth and wait 6
to 8 weeks to extract surgically.
C. Remove bone from the tooth without separating it from soft tissue, then suture to
stabilize.
D. Perform a surgical extraction immediately with full thickness flap to visualize tooth
and bone, then suture to stabilize. -- ANSWER--B. Discontinue extraction, splint tooth and
wait 6 to 8 weeks to extract surgically.
Ideal orthodontic tooth movement involves A. large forces.
B. undermining resorption.
C. frontal resorption.
D. subcrestal incisions -- ANSWER--C. frontal resorption.
The most frequent cause of malocclusion is A. thumbsucking.
B. mouth breathing.
C. heredity.
D. ectopic eruption. -- ANSWER--C. heredity.
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Coxibs are more appropriate than standard NSAIDs for patients with a history of A. renal
dysfunction.
B. asthma.
C. gastrointestinal bleeding.
D. cardiac problems. -- ANSWER--C. gastrointestinal bleeding.
The main purpose of X-ray collimation is to A. lower the kilovoltage.
B. filter out low energy X-rays.
C. reduce the diameter of the primary beam.
D. reduce the exposure time. -- ANSWER--C. reduce the diameter of the primary beam.
Which of the following lesions is most likely to occur in the floor of the mouth? A.
Pleomorphic adenoma.
B. Mucoepidermoid carcinoma.
C. Lymphangioma.
D. Ranula.
E. Granular cell myoblastoma -- ANSWER--D. Ranula.
The masseter muscle originates from the A. angle of the mandible.
B. coronoid process.
C. pterygoid fossa.
D. zygomatic arch. -- ANSWER--D. zygomatic arch.
Appropriate management for the relief of symptoms of primary herpetic gingivostomatitis in
an immunocompromised patient may include A. penicillin V.
NEW NDEB ACTUAL EXAM QUESTIONS
WITH 100% CORRECT ANSWERS
GRADED A+ TESTED AND APPROVED!!!
The anticariogenic effect of systemic fluoride is related principally to the
A. bactericidal action on oral flora.
B. bacteriostatic action on oral flora.
C. buffering effect on acids produced by cariogenic bacteria.
D. alteration in the composition of the enamel. -- ANSWER--D. alteration in the
composition of the enamel.
When making an indirect wax pattern on a stone die, improved adaptation will result from A.
the use of a separating medium.
B. soaking the die in cold water.
C. burnishing the wax to the die.
D. melting the wax onto the die -- ANSWER--A. the use of a separating medium.
Which of the following clinical conditions is the most serious?
A. Acute apical abscess of a mandibular central incisor.
B. Mid facial cellulitis.
C. Chronic apical abscess of a mandibular third molar.
D. Infected dentigerous cyst. -- ANSWER--B. Mid facial cellulitis.
, Page 2 of 88
A 43 year old patient with a history of severe asthma and nasal polyps has an emergency
pulpotomy. Assuming daily recommended doses are followed, which of the following is the
most appropriate drug management?
A. Acetaminophen 650 mg every 4 hours.
B. Naproxen 250 mg every 6-8 hours.
C. Ketorolac 10 mg every 4 hours.
D. Acetylsalicylic acid 650 mg every 4 hours. -- ANSWER--A. Acetaminophen 650 mg
every 4 hours.
Gold alloy can be given a white colour by introducing sufficient A. zinc.
B. copper.
C. cadmium.
D. palladium. -- ANSWER--D. palladium.
In addition to iron, calcium and folate, which of the following nutrients is of special concern
during pregnancy?
A. Vitamin B12.
B. Pyridoxine.
C. Vitamin D.
D. Ascorbic acid. -- ANSWER--A. Vitamin B12.
In an acute apical abscess (acute periapical abscess), which of the following teeth is most
likely to spread infection to the submandibular space? A. Mandibular second bicuspid.
B. Maxillary third molar.
C. Mandibular first molar.
D. Mandibular third molar.
, Page 3 of 88
E. Mandibular lateral incisor -- ANSWER--D. Mandibular third molar.
A 78 year old patient presents for the extraction of a symptomatic carious erupted tooth 1.8.
Upon elevation, a loud cracking sound is heard and excessive mobility is noted. Upon
palpation, 2/3 of the tuberosity is involved. What is the most appropriate next step?
A. Continue with extraction and remove tooth and bone with forceps, then suture to
stabilize.
B. Discontinue extraction, splint tooth and wait 6
to 8 weeks to extract surgically.
C. Remove bone from the tooth without separating it from soft tissue, then suture to
stabilize.
D. Perform a surgical extraction immediately with full thickness flap to visualize tooth
and bone, then suture to stabilize. -- ANSWER--B. Discontinue extraction, splint tooth and
wait 6 to 8 weeks to extract surgically.
Ideal orthodontic tooth movement involves A. large forces.
B. undermining resorption.
C. frontal resorption.
D. subcrestal incisions -- ANSWER--C. frontal resorption.
The most frequent cause of malocclusion is A. thumbsucking.
B. mouth breathing.
C. heredity.
D. ectopic eruption. -- ANSWER--C. heredity.
, Page 4 of 88
Coxibs are more appropriate than standard NSAIDs for patients with a history of A. renal
dysfunction.
B. asthma.
C. gastrointestinal bleeding.
D. cardiac problems. -- ANSWER--C. gastrointestinal bleeding.
The main purpose of X-ray collimation is to A. lower the kilovoltage.
B. filter out low energy X-rays.
C. reduce the diameter of the primary beam.
D. reduce the exposure time. -- ANSWER--C. reduce the diameter of the primary beam.
Which of the following lesions is most likely to occur in the floor of the mouth? A.
Pleomorphic adenoma.
B. Mucoepidermoid carcinoma.
C. Lymphangioma.
D. Ranula.
E. Granular cell myoblastoma -- ANSWER--D. Ranula.
The masseter muscle originates from the A. angle of the mandible.
B. coronoid process.
C. pterygoid fossa.
D. zygomatic arch. -- ANSWER--D. zygomatic arch.
Appropriate management for the relief of symptoms of primary herpetic gingivostomatitis in
an immunocompromised patient may include A. penicillin V.
