Which of the following is true about master apical file (MAF) ? 1) The last file is selected for obturation 2) The initial file which is selected for initial radiographic working length 3) Both A and B 4) None of the above
EndodonticsAnswer: 1
All of the following incisions are recognized, standard approaches for an apicectomy EXCEPT 1) Cervical margin of teeth with buccal extensions 2) Figure-of-eight 3) Rectangular 4) Semilunar
EndodonticsAnswer: 2
Endodontic implants refers to those 1) Used to obturate the canal 2) Used to stabilize periodontally weakened with poor crown-root ratio 3) Placed between periosteum and cortex of bone 4) Which are embedded within the bone
EndodonticsAnswer: 2
The ideal instrument that is used to widen the canal is 1) Broach 2) File 3) Fissure bur 4) Reamer
EndodonticsAnswer: 2
Identify the wrong statement about maxillary molars 1) Root of pulp chamber of maxillary first molar is rhomboidal 2) Floor is triangular with lingual wall missing 3) Access cavity opening is trapezoidal 4) Occlusal outline is parallelogram
EndodonticsAnswer: 3
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
The pathognomonic feature of chronic apical abscess is 1. Swelling and continuous pain 2. Tenderness to palpation and percussion 3. Increased response to vitality tests 4. None of the above
EndodonticsAnswer: 4
Obturation of root canal should achieve 1) Tug - back 2) Hermetic seal 3) Fluid - free seal 4) All of the above
