The principal cone of gutta-percha used for condensation should 1) Fit exactly at apex 2) Have a definite apical seal 3) Fit loosely in the canal 4) Be 2 mm from the apex
EndodonticsAnswer: 2
Referred pain to ear is mainly from 1) Mandibular molars-same side 2) Mandibular anterior teeth-same side 3) Maxillary molars-same side 4) Maxillary anterior teeth-same side
EndodonticsAnswer: 1
Mesial root of mandibular molar having root canals with two separate foramina is said to be 1) Type I canals 2) Type II canals 3) Type III canals 4) Type IV canals
EndodonticsAnswer: 3
Instrument that is more likely to break in root canal when twisted more than 90 degree 1. File 2. Broach 3. Spreader 4. Reamer
EndodonticsAnswer: 2
Which of the following is a disinfectant, sterilizing agent and an antiseptic 1) Sodium hypochlorite 2) Glutaraldehyde 3) Hydrogen peroxide 4) Methylated spirit
EndodonticsAnswer: 1
Which of the following is critical for successful apexogenesis and apexification 1) Absence of necrotic tissue & infection in apical region 2) Tight sealing with Ca(OH) 3) Radiographic examination every 3 months 4) Continued response to vitality tests
EndodonticsAnswer: 1
A cross section of cervical third of pulp canal of maxillary second premolar resembles 1. Ellipse 2. Square 3. Circle 4. Tirangle
EndodonticsAnswer: 1
Calcium hydroxide was introduced into endodontics by 1. Nygaard Ostby 2. Hermann 3. Schilder 4. Hunter
