NBDE Part II – Operative Dentistry – Question Bank

NBDE Part II – Operative Dentistry – Question Bank

Operative dentistry is a branch of dentistry which is considered to be a completely clinical branch. It is often considered as the foundation and base of all the branches of the dentistry. It deals with diagnosis and treatment of the carious lesions affecting the dentition. Following are 20 various operative dentistry NBDE Part 2 question bank with answer key.

Question 1: In which part of the teeth the senile carious lesions are exclusively found?

A. Interdental surfaces

B. Pit and fissures

C. Root surfaces

D. Inclined planes of the cusps

Answer & Explanation

Answer: [C]


Question 2: In amalgam restorations, fractures are most commonly observed in which area

A. Proximal box

B. Gingival floor

C. Cavosurface margin

D. Isthmus area

Answer & Explanation

Answer: [D]


Question 3: Which endodontic instrument is considered best for removal of gutta percha from root canal during re-root canal treatment procedure?

A. Flexo file

B. H file

C. K file

D. S file

Answer & Explanation

Answer: [D]


Question 4: Which procedure is performed prior to crown preparation in a patient having signs of generalized attrition?

A. Conventional root canal treatment

B. Sealing

C. Periodontal surgery

D. Crown build up with composites

Answer & Explanation

Answer: [A]


Question 5: How many surfaces are present in a pontic?

A. 2

B. 3

C. 4

D. 5

Answer & Explanation

Answer: [D]

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