Endodontically treated posterior teeth are more susceptible to fracture that untreated posterior teeth. The best explanation for this is 1) Moisture loss 2) Loss of root vitality 3) Plastic deformation of dentin 4) Destruction of the coronal architecture
EndodonticsAnswer: 4
In a vital rooth if root canal treatment is to be performed, then 1) Root canal filling should be 0.5-1 mm short of the radiographic apex and filling to the same length 2) Root canal filling should be up to the radiographic apex 3) Root canal filling 0.5-1 mm beyond the radiographic apex 4) Root canal filling 0.5-1 mm short of the radiographic apex
EndodonticsAnswer: 1
Enlargement of the calcified canals is done with 1) EDTA 2) Calcium hydroxide 3) Sodium hypochlorite 4) Sodium chloride
EndodonticsAnswer: 1
Discolouration of endodontically treated tooth results from 1) Improper debridement 2) Sealer cement left in pulp chamber 3) Obturating materials 4) All of the above
EndodonticsAnswer: 4
Which condensation of gutta-percha, tip of the instrument is broken at apical third of canal. You would like to 1) Dissolve gutta-percha and retrieve the broken piece 2) Obturate remaining canal up to the point of obstruction, and observation 3) Do periapical surgery and apicectomy to remove broken piece 4) All of the above
EndodonticsAnswer: 2
Acute reversible pulpitis is treated by 1. Sedative filling wait and watch 2. Pulpectomy 3. Pulpotomy 4. Pulp capping
EndodonticsAnswer: 1
Peeso reamer is used for 1) To remove lingual shoulder of anterior teeth 2) Enlarge root canal orifices 3) Post space preparation 4) To remove gutta-percha
EndodonticsAnswer: 3
Identify the wrong statement 1) Irreversible pulpitis may be asymptomatic 2) Pulp polyp is less sesitive than pulp, more current is required 3) In reversible pulpits more response to cold and more current is required to elicit a response 4) All statements are wrong
