Headstroem file is mainly used to 1) Flare the canal walls 2) To remove the lingual shoulder 3) To prepare canal for post preparation 4) All of the above
EndodonticsAnswer: 1
Which of the following has better prognosis 1. Vital teeth with external resorption 2. Vital teeth with internal resorption 3. Vital teeth with vertical root fracture 4. None of the above
EndodonticsAnswer: 2
Which of the following area of root fracture is least conducive to a favourable prognosis? 1. Apical third 2. Middle third 3. Cervical third 4. Prognosis is equal in all cases provided the tooth remains vital
EndodonticsAnswer: 3
When undertaking bleaching of vital teeth of the following are done except 1) Prophylaxis 2) Use of protective eye glasses 3) Use of local anaesthesia 4) Polishing after treatment
EndodonticsAnswer: 3
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
Most common cause of endodontic failures in maxillary first molar is 1. Missed fourth canal 2. Vertical root fracture 3. Periodontal involvement of pulpal lesion 4. None of the above
EndodonticsAnswer: 1
Home bleach is also called as 1. Walking bleach 2. Thermocatalytic bleach 3. Power bleach 4. All of the above
EndodonticsAnswer: 1
Bismuth compounds are incorporated in root canal filling materials because they are 1) Radioopaque 2) Germicidal 3) Radiolucent 4) Adhesive
