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NEETMDS- Endodontics mcq
MDS PREP
K-flex file is traditionally made from which shaped blank
1) Diamond
2) Triangular
3) Square
4) All of the above
Endodontics Answer: 1

Endodontic surgery is not recommended in 
 1. Medically compromised patients
 2. Mandibular lingual molar area
 3. Tooth close to maxillary sinus
 4. All of the above
Endodontics Answer: 4

Pultomy with calcium hydroxide is indicated in all except 
 1. Trauma on permanent teeth with wide open apex
 2. Asymptomatic pulp exposure on posterior permanent teeth with open apices
 3. Caries in teeth resulting in continuous pain irreversible pulpitis
 4. None of the above
Endodontics Answer: 3

EDTA, which is an active ingredient in root canal preparation, has its principal action in 
 1. Decalcification of dentin
 2. Dissolution of necrotic debris
 3. Lubrication of the canal during instrumentation
 4. All of the above are correct
Endodontics Answer: 4

Which of the following accurately describes continuous wave technique
1) The continuous wave technique is technique sensitive and requires special devices
2) The continuous wave technique is faster
3) It uses a heat caries that can compact and heat gutta-percha
4) All of the above
Endodontics Answer: 4

The size of instrument for enlarging apical thirds for endodontic implants is 
 1. Number 20-40
 2. Number 40-60
 3. Number 60-90
 4. Number 90-120
Endodontics Answer: 3

A severe blow to a permanent anterior tooth not resulting in fracture, commonly leads to
1) Pulpal death in the absence of treatment
2) Death of pulpal despite treatment
3) Fracture of involved bone
4) Mobility of central incisors
Endodontics Answer: 2

Advantage of nickel-titanium over stainless steel as and intracanal instrument is
1) More resistance to breakage
2) More flexibility
3) More cutting efficiency
4) All of the above
Endodontics Answer: 2

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