1. Three mix MP triple antibiotic paste consists of:Ciproflox + metronidazole + MinocyclineNorflox + cephixime + minocyclineCiproflox + cephixime + MinocyclineNorflox + tinidazole + cephiximeQuestion 1 of 20 2. Function of post in an endodontically treated tooth is:Provide support to restorationPrevents root fractureIncreases retention of the crown by providing parallel wallsReinforces the restoration and the remaining tooth structureQuestion 2 of 20 3. To avoid pulpal irritation below any restorative material, the minimum thickness of the dentine should be1.5mm2.5 mm2 mm1.3mmQuestion 3 of 20 4. Gutta Percha and sealer form a monoblock known as:Secondary monoblockQuaternary monoblockPrimary monoblockTertiary monoblockQuestion 4 of 20 5. A classic teardrop-shaped periradicular lesion on a radiograph can be indicative of a vertical root fracture. The prognosis of a vertical root fracture is hopeless, and the tooth should be extracted.First statement is true, second is false.Both statements are false.First statement is false, second is true.Both statements are true.Question 5 of 20 6. Which tooth requires special attention when preparing the occlusal aspect for a restoration?mandibular first bicuspidmandibular second bicuspidmaxillary first bicuspidmaxillary first molarQuestion 6 of 20 7. Extension for prevention is directly related to theRounding of the line anglesDepth of the cavityOutline form of the cavityRemoval of unsupported enamel rods from the proximal surfacesQuestion 7 of 20 8. A No. 4 bur isAn inverted cone burA cross-cut tapered fissure burA round burA straight fissure burQuestion 8 of 20 9. Acute dental caries differs from chronic dental caries, in that, there isGreater depth than width to the lesionall of the aboveUsually very little sensitivityMuch greater pigmentation of the lesionQuestion 9 of 20 10. Tug-back is achieved and the canal is ready for fillingwhen the gutta-percha has extended beyond the apex.when the gutta-percha is easily removed from the root canal.after cementation.when the gutta-percha placed to apical constriction exhibits resistance on removal.Question 10 of 20 11. In Periapical index (PAI), Grade 3 is defined as:Severe apical periodontitis, with exacerbating featuresApical periodontitis with well-defined radiolucent areaChanges in bone structure with some diffuse demineralizationSmall changes in bone structure with no demineralizationQuestion 11 of 20 12. Which Root canal irrigant has been shown to cause allergic reactions:Superoxide waterPovidone iodineHydrogen peroxideChlorhexQuestion 12 of 20 13. An upper central incisor in a 7 year old child has an open apex and needs to undergo root canal treatment. The best way to determine the working length in this case is byTactile methodPaper point methodRadiographic determination using IOPA X-rayUsing an apex locatorQuestion 13 of 20 14. Root canal therapy was completed on a nonvital tooth that suffered trauma 5 years prior. At the time of obturation, the tooth exhibited a periapical radiolucency on radiographic examination. Radiographically, healing should be visualized in:6 weeks1 month1 week6 monthsQuestion 14 of 20 15. Type of root resorption that occurs from a combined injury to PDL and cementum, complicated by bacteria from an infected root canal space:Inflammatory ResorptionReplacement ResorptionInternal resorptionSurface ResorptionQuestion 15 of 20 16. You are instrumenting a canal with a size 30, 25 mm k-type file. What does each of the sizes denote, respectively?The diameter of the tip of the file and the taper of the fileThe length of the file and the diameter of the tip of the fileThe diameter of the tip of the file and the length of the fileThe taper of the file and the length of the fileQuestion 16 of 20 17. The sequence of therapy recommended for emergency treatment isPulp/periodontal, caries control, extraction.Oral surgery, caries, pulp/periodontal.Caries control, pulp/periodontal, oral surgery.Pulp/periodontal, oral surgery, caries control.Question 17 of 20 18. Gingival bevels can be safely and accurately placed usingMedium sandpaper disksAngle formersMargin trimmersSafe sided diamond disksQuestion 18 of 20 19. A good preventive and treatment strategy for dental caries would include _____.All of the aboveControlling cariogenic floraElevating host resistanceLimiting cariogenic substrateQuestion 19 of 20 20. Which of the following are similarities between amalgam Class II restorations and inlay Class II restorations, Exceptdepth into dentinaxiopulpal line angle shapeocclusal isthmus widthconvergent walls on the occlusal surfaceQuestion 20 of 20 Loading...