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
Untrue about sectional method of compaction 1. Used for post & crown 2. Voids are more 3. Difficult to retrieve 4. Vertical root fractures are more
EndodonticsAnswer: 4
After obturation of a traumatised central incisor, horizontal line of material is noted in the apical third root extending mesially and distally to the periodontal space. The common cause 1) Horizontal root fracture 2) Accessory canal 3) Internal resorption 4) External resorption
EndodonticsAnswer: 1
Which of the following is associated with a vital pulp 1. PA cyst 2. PA granuloma 3. Apical abscess 4. Condensing osteitis
EndodonticsAnswer: 4
Emergency treatment for a painful tooth with necrotic pulp in which inflammation is extended into periapical region is 1. Institutuion of endodontic therapy to extripate the non-vital pulp 2. Prescribe antibiotics and analgesic 3. Both A and B 4. None of the above
EndodonticsAnswer: 1
Irrigation of root canals is caried 1) During opening of access cavity 2) During biomechanical preparation 3) Before obturation and closure of access cavity 4) All 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
EndodonticsAnswer: 4
A 7-year-old boy (root is not completed) fell from bycle and broke his upper central incisor at the level of gingiva. Pulp is vital. Line of treatment is 1. Extraction 2. Pulpotomy 3. Direct pulp capping 4. Pulpectomy