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NEETMDS- Endodontics mcq
MDS PREP

Laser Doppler flowmetry is used 
1. To determine root length
2. To determine amount of gingival fluid
3. To check vitality
4. None of the above

Endodontics Answer: 3

Enlargement of the calcified canals is done with
1) EDTA
2) Calcium hydroxide
3) Sodium hypochlorite
4) Sodium chloride
Endodontics Answer: 1

The length of the instrument used for endodontic implants is 
 1. 25 mm
 2. 28 mm
 3. 21 mm
 4. 40 mm
Endodontics Answer: 4

The lower incisors of a patient were injured four years ago. Now radiographs reveal a large radiolucent area associated with the apices of these teeth. Line of treatment is 
 1. Extract four incisors
 2. Perform PA surgery
 3. Endodontic treatment of only non-vital teeth
 4. None of the above
Endodontics Answer: 3

A 7-year-old boy (root is not completed) fell from bycle and broke his upper central incisor at the level of gingiva. Pulp is vital. Line of treatment is 
 1. Extraction
 2. Pulpotomy
 3. Direct pulp capping
 4. Pulpectomy
Endodontics Answer: 2

The main objective of access cavity preparation is
1) To obtain straight line access for proper instrumentation into the canal
2) To locate canal opening
3) To strengthen tooth structure by filling with restorative materials
4) All of the above
Endodontics Answer: 1

The most common age group of fractures of permanent teeth
1) 8-12 years
2) 4-5 years
3) 1-2 years
4) 3-6 years
Endodontics Answer: 1

Replacement resorption results in
1) Ankylosis
2) Pain
3) PA abscess
4) All of the above
Endodontics Answer: 1

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