K-flex file is traditionally made from which shaped blank 1) Diamond 2) Triangular 3) Square 4) All of the above
EndodonticsAnswer: 1
A pulp polyp is usually found in 1) Young teeth with chronic open pulpitis 2) Young teeth with apical abscess 3) Young teeth with acute pulpitis 4) Young teeh with periapical infection
EndodonticsAnswer: 1
Microabrasion for removal of local stains on teeh utilizes which of the following 1. 18 percent hydrochloric acid 2. Carbide bur with 12 flutes 3. Prophy jet 4. 10-15 percent carbmide peroxide
EndodonticsAnswer: 1
No. 10 size file with a taper 0.02 mm has extended 1.0 mm past the apical foramen. Which of the following occurs 1) It opens apical foramen to a minimum diameter of 0.12 mm 2) It reduces the percentage of change from a No. 10 file to a No. 270 file by 50 % 3) It eliminates natural constrictions and results in overfilling 4) All of the above
EndodonticsAnswer: 1
Peripheral pain impulses in the dental pulp are transmitted centrally via which of the following pathways 1. Peripheral nerve, trigeminal nucleus, trigeminal ganglion, thalamus and cortex 2. Peripheral nerve, trigeminal ganglion, trigeminal nucleus, thalamus, & cortex 3. Both A and B 4. None of the above
EndodonticsAnswer: 2
The teeth that are more prone to perforation by slight mesial and distal deviation of a bur are 1. Mandibular incisors & maxillary first premolars 2. Maxillary first premolars & mandibular molar 3. Maxillary incisors & mandibular molars 4. Maxillary molar & mandibular first premolar
EndodonticsAnswer: 1
Percentage of mandibular incisors with two root canals and separate foramina 1. 0.5 % 2. 1 % 3. 2 % 4. 5 %
EndodonticsAnswer: 2
Calcium hydroxide was introduced into endodontics by 1) Nygaard Ostby 2) Hermann 3) Schilder 4) Hunter
