September Final year

Instrument used for extirpation of pulp

• K file

• Barbed broach

• H file

• Reamer

Lentulospirals are used for

• locating canal orifices

• enlarging root canal

• application of root canal sealer

• pulp extirpation

Electronic apex locator is used for

• root canal morphology

• pulpstone location

• working length determination

• pulp vitality

Potentially hazardous irrigant which may cause emergency during treatment?

• Chlorhexidine

• Sodium hypochlorite

• MTAD

• Saline

Dakin's solution -

• saline

• hydrogen peroxide

• sodium hypochlorite

• MTAD

technique name

• step back

• crown down

• balanced force technique

• passive step back

technique name

• step back

• passive stepback

• crown down

• modified step back

Root canal orifices are located by

• H files

• D 16 Endodontic explorer

• spoon excavator

• endodontic excavator

Instrument used for lateral condensation of gutta percha along the canal wall?

• gates glidden drills

• reamer

• plugger

• spreader

In case of retreatment ,instrument used for removal of gutta percha?

• K file

• H file

• reamer

• lentulospiral