The root canals most likely to share a common apical opening are 1. Mesial and distal roots of mandibular premolars 2. Mesiobuccal and mesiolingual roots of mandibular first molars 3. Both A and B 4. None of the above
EndodonticsAnswer: 3
Formocresol produces tissue fixation and 1) Coagulative necrosis 2) Liquefactive necrosis 3) Cassious necrosis 4) Produces no necrosis
EndodonticsAnswer: 1
A negative response of an electric pulpal testing immediately after injury 1) Temporary due to interruption of neural transmission 2) Temporary due to interruption of blood supply 3) Indicates pulp is non-vital 4) None of the above
EndodonticsAnswer: 1
Which of the following accurately describes continuous wave technique 1. The continuous wave technique is technique sensitive and requires special devices 2. The continuous wave technique is faster 3. It uses a heat caries that can compact and heat gutta-percha 4. All of the above
EndodonticsAnswer: 4
Histology of pulp inadverently exposed during cavity preparation of deep carious lesion shows 1) Acute inflammatory cells at site of exposure below which chronic inflammatory cells are there on normal pulp 2) Only acute inflammatory cells at site of exposure on a normal pulp 3) Predominantly chronic inflammatory cells at site of exposure 4) None of the above
EndodonticsAnswer: 1
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
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
Reversible (advanced) pulpitis is 1) Aggravated by heat and relieved by cold 2) Aggravated by cold and relieved by heat 3) No reaction to heat and cold 4) Reacts to electric pulp tester
