NBDE Part 2 Practice Exam Series 15 – Endodontics NBDE Part 2 Study Guide

Question 16: Which of the following tooth most commonly have a curved root?

A. Maxillary canine

B. Mandibular canine

C. Maxillary lateral incisor

D. Maxillary central incisor

Answer

Answer: [C]

 

Question 17: Which of the following statement is correct?

EDTA can be used in place of sodium hypochlorite for irrigation purpose.

EDTA can decalcify up to 50 µm thin layer of root canal wall.

 

A. Both statements are correct

B. Both statements are incorrect

C. The first statement is correct while the second statement is incorrect

D. The first statement is incorrect while the second statement is correct

Answer

Answer: [D]

 

Question 18: For how long does EDTA remain active if not activated?

A. 1 day

B. 5 days

C. 15 days

D. 1 month

Answer

Answer: [B]

 

Question 19: Which of the following statement is correct?

Reamers have fewer flutes than files.

K-files cannot be machined.

 

A. Both statements are correct

B. Both statements are incorrect

C. The first statement is correct while the second statement is incorrect

D. The first statement is incorrect while the second statement is correct

Answer

Answer: [C]

 

Question 20: In which of the following clinical situations direct pulp capping is indicated?

A. Small mechanical exposure

B. An asymptomatic vital pulp

C. No coronal or periapical pathology

D. All of the above

Answer

Answer: [D]

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