NDEB EXAM ACTUAL QUESTIONS AND VERIFIED

NDEB EXAM (ACTUAL / ) QUESTIONS AND VERIFIED

ANSWERS (100% SOLVED AND CORRECT)

Management of a "dry socket" should include

• saline irrigation of socket.
• vigorous curettage of the socket.
• placement of topical antibiotics in the socket.
• a prescription for systemic antibiotics. - ---Answers---D. a

prescription for systemic antibiotics.

Local anesthetics interfere with the transport of which of the following ions?

• Sodium.
• Calcium.
• Chloride.
• Potassium.
• Magnesium. - ---Answers---A. Sodium.

Caries in older persons is most frequently found on which of the following locations?

• Pits and fissures.
• Proximal enamel.
• Root surfaces.
• Incisal dentin. - ---Answers---C. Root surfaces.
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In a 5 year old, a small mechanical exposure in a vital primary molar would be treated by

• extraction of the tooth.
• a pulp capping with calcium hydroxide.
• a routine amalgam restoration without any

specific treatment for the exposed pulp.

• the use of a cavity liner. - ---Answers---B. a pulp capping

with calcium hydroxide.

Chronic alcoholism causes impairment of liver function and

• increased bleeding time.
• increased coagulation time.
• decreased effectiveness of local anesthetics.
• increased risk of secondary infections.
• increased risk of hemolysis after antibiotic

therapy. - ---Answers---A. increased bleeding time.

The prognosis for a replanted developed permanent tooth is most influenced by the

• length of time the tooth has been out of the

mouth.

• use of an antibiotic.
• effectiveness of the irrigation of the socket. 2 / 4

• rigidness of the splint applied.
• thoroughness of the curettage of the root

surface. - ---Answers---A. length of time the tooth has been out of the mouth.

In a dental office, what is the most common cause of respiratory distress?

• Anaphylaxis.
• Bronchospasm.
• Hyperventilation.
• Myocardial infarction. - ---Answers---C. Hyperventilation.

Papillary hyperplasia under a denture is usually due to

• a candida infection.
• an ill fitting denture.
• failure to remove the denture at night.
• an allergy to the denture material. - ---Answers---B. an ill

fitting denture.

A benign neoplasm of bone is called a/an

• fibrous dysplasia.
• osteoma.
• torus. 3 / 4

• sarcoma.
• osteosarcoma. - ---Answers---B. osteoma.

The lowest level of fluoride in drinking water which will cause enamel mottling is

• 0.5ppm.
• 1.0ppm.
• 3.0ppm.
• 5.0ppm. - ---Answers---C. 3.0ppm.

One week after an amalgam restoration is placed in the mandibular first premolar, the patient returns complaining of a sharp pain of short duration when eating or drinking something cold. Teeth respond normally to electric pulp testing and heat and the radiographs are normal. The most likely diagnosis is

• hypercementosis.
• reversible pulpitis.
• pulpal microabscess.
• acute periradicular periodontitis. - ---Answers---B.

reversible pulpitis.

For sterilization to occur in an autoclave, all of the following must be monitored EXCEPT

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