Apicoectomy is contraindicated in 1) Extensive bone loss 2) Overfilled root canals 3) Lateral perforation at apical third 4) Is not contraindicated
EndodonticsAnswer: 1
For reimplantation of avulsed tooth 1) Curettage of socket done 2) Curettage of root surface done 3) Mild debridement with saline is done 4) Root surface treated with antibiotic
EndodonticsAnswer: 3
Gutta-percha can effecitvely be sterilized by 1) Hot salt sterilizer 2) Chemical solutions 3) Autoclaving 4) Dry heat
EndodonticsAnswer: 2
Best time to obturate root canals 1) When canals are dry 2) When tooth is asymptomatic 3) When successive negative cultures are obtained 4) All of the above
EndodonticsAnswer: 4
Which surgical procedure is indicated after the endodontic treatment is completed of a mandibular molar with periodontal and carious involvement of the bifurcation 1. Hemisection 2. Fenestration 3. Root amputation 4. Apical curettage
EndodonticsAnswer: 1
A root canal treated maxillary lateral incisor is fractured at the cervical level of the crown. The coronal end of silver cone which was used for root canal filling is visible. Select the line of treatment to achieve the required post space 1. Remove the silver cone and retreat the canal using a gutta-percha and then create space for the post 2. Create post space alongside the silver cone using burs and peeso reamers 3. Ginding away of the coronal part of the silver cone 4. None of the above
EndodonticsAnswer: 1
Tooth discolouration most commonly result from 1) Hyperaemia of pulp 2) Pulp necrosis 3) Pulpal abscess 4) All of the above
EndodonticsAnswer: 2
Which of the following is most likely to have a bifurcated root 1) Maxillary canine 2) Mandibular premolar 3) Mandibular lateral incisor 4) Maxillary centrals