What % of lower 1st molars show 2 distal canals 1) 10 2) 30 3) 60 4) 75
EndodonticsAnswer: 2
Which of the following is associated with a vital pulp 1. PA cyst 2. PA granuloma 3. Apical abscess 4. Condensing osteitis
EndodonticsAnswer: 4
Gutta-percha can be softened (plasticized) by 1) Alcohol & chloroform 2) Chloroform & xylene 3) Eugenol & chloroform 4) Ethyl chloride & eugenol
EndodonticsAnswer: 2
Which of the following statements is false? 1. The upper first premolar usually has two canals 2. Root canal instruments are best sterilized by a chemical method 3. All root canals must be enlarged to at least a size 25 file 4. All are false
EndodonticsAnswer: 2
In case of bleaching technique to remove flurosis stains 1. 1 % ether removes the surface debris 2. 36 % hydrochloric acid etches the enamel 3. Both A and B are correct 4. Both A and B are wrong
EndodonticsAnswer: 3
A cross section of cervical third of pulp canal of maxillary second premolar resembles 1. Ellipse 2. Square 3. Circle 4. Tirangle
EndodonticsAnswer: 1
Which of the following is true about master apical file (MAF) ? 1) The last file is selected for obturation 2) The initial file which is selected for initial radiographic working length 3) Both A and B 4) None of the above
EndodonticsAnswer: 1
Endosonics utilizes whihc instrument 1. H file 2. K file 3. Endo box 4. Reamers
