After biomechanical preparation, master cone of gutta-percha seems to be 2 mm short of apical seat. You would like to 1. Use a smaller cone 2. Trim the same cone to apical seat 3. Fill up to that level only 4. Use a sliver cone
EndodonticsAnswer: 1
The microorganisms present in periapical region after a tight sealing obturation 1. Dei out & eliminated by body 2. Reach oral cavity through the defects in filling 3. Multiply to flare up the disease 4. Eliminated by zinc oxide
EndodonticsAnswer: 1
Palatel root of maxillary first molar is curved 1. Mesially 2. Buccally 3. Lingually 4. Distally
EndodonticsAnswer: 2
Mesial root of mandibular molar having root canals with two separate foramina is said to be 1) Type I canals 2) Type II canals 3) Type III canals 4) Type IV canals
EndodonticsAnswer: 3
Which one of the following is not seen in the acute pulpits (irreversible) 1. Pain disappears on removal of stimulus 2. Pain persists on removal of stimulus 3. Increased threshold for stimulus 4. Severe pain
EndodonticsAnswer: 1
Concentration of EDTA utilised during biomechanical preparation is 1) 20 % at pH 704 2) 15 % at pH 5.0 3) 15 % at pH 7.3 4) 25 % at pH 7.4
EndodonticsAnswer: 3
All of the following are true about gutta-percha cone except 1. Gutta-percha is composed of 60-85 % gutta-percha and 20 % zinc oxide 2. Used in lateral condensation method 3. When heated exists in a & b form 4. All of the above are true
EndodonticsAnswer: 1
Ideally, access cavity preparation should 1) Extend into dentin 2) Limited to enamel 3) Be made to include the marginal ridges 4) None of the above
