The best instrument for cutting dentin is 1. Reamer 2. File 3. Broach 4. Explorer
EndodonticsAnswer: 1
The main objective of access cavity preparation is 1) To obtain straight line access for proper instrumentation into the canal 2) To locate canal opening 3) To strengthen tooth structure by filling with restorative materials 4) All of the above
EndodonticsAnswer: 1
Extirpation of pulp in incisor involved in class III carious exposures can be achieved 1. Via the lesion 2. By triangular access cavity preparation 3. Via labial surface 4. None of the above
EndodonticsAnswer: 2
Tooth discolouration most commonly result from 1) Hyperaemia of pulp 2) Pulp necrosis 3) Pulpal abscess 4) All of the above
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
Calcium hydroxide is advocated as an inter appointment intracanal medication because of 1. Its ability to dissolve necrotic tissue 2. Its antimicrobial property 3. Its ability to stimulate hard tissue formation 4. Its powerful bleaching effect
EndodonticsAnswer: 2
Most common cause of endodontic failures in maxillary first molar is 1. Missed fourth canal 2. Vertical root fracture 3. Periodontal involvement of pulpal lesion 4. None of the above
EndodonticsAnswer: 1
Best method of condensation 1) Lateral condensation 2) Thermoplasticized 3) Vertical condensation 4) None of the above
