Lentulo spirals are used for 1) Locating canal orifice 2) Pulp extirpation 3) Enlarging coronal third of the root canal 4) Application of root canal sealer
EndodonticsAnswer: 4
Ideal root canal sealer 1. Fills the space between cone and walls 2. Should have antibiotic property 3. Should be biologically acceptable 4. All of the above
EndodonticsAnswer: 4
In class III Ellis fracture 1) Only enamel is involved 2) Enamel and dentin are involved 3) Enamel,dentin and pulp are involved 4) Non-vital pulp
EndodonticsAnswer: 3
Enlargement of the calcified canals is done with 1) EDTA 2) Calcium hydroxide 3) Sodium hypochlorite 4) Sodium chloride
EndodonticsAnswer: 1
Which of the following discoloured teeth have best prognosis 1) Tetracyline stains 2) Discolouration due to pulp degeneration 3) Discolouration due to restorative materials 4) Erythroblastic foetalis
EndodonticsAnswer: 2
Discolouration of the teeth results from 1) Decomposition of the pulp 2) Filling materials 3) Haemorrhage following pulp extirpation 4) All of the above
EndodonticsAnswer: 4
The difference between a reamer and a file is in 1) The number of flutes 2) The number of flutes and shape of the shaft 3) The number of flutes and size of the shaft 4) The shape and size of the shaft
EndodonticsAnswer: 2
In which anterior tooth are bifurcated roots present 1. Mandibular lateral incisor 2. Maxillary canine 3. Mandibular central incisor 4. Mandibular premolar
