1. Which of the following statements is not true regarding bonding systems?Even though dentin bonding occurs slowly, it results in a stronger bond than to enamel.One-bottle dentin bonding systems may be simpler but are not necessarily better.Dentin bonding is still variable because of factors such as sclerosis, tubule size, and tubule location.Enamel bonding occurs quickly, is strong, and is long-lasting.Question 1 of 20 2. Which zone in dentinal caries is associated with degeneration in inter tubular dentin and deposition of prism like structures in dentin tubulesSub transparent dentinTurbid dentinTransparent dentinNormal dentinQuestion 2 of 20 3. Cytokines associated with periapical lesionsIL 1IL 8TNFIL 6Question 3 of 20 4. Tooth with definite single root canal:Mandibular first premolarMaxillary second premolarMaxillar?y canineMaxillary central incisorQuestion 4 of 20 5. The success of an amalgam restoration is dependent on all of the following features of tooth/cavity preparation except _____.Divergent (externally) preparation wallsAdequate retention form features to mechanically lock the amalgam in the preparationButt-joint cavosurface margin that results in a 90-degree margin for the amalgamAdequate tooth removal for appropriate strength of the amalgamQuestion 5 of 20 6. Phoenix abscess is:Chronic periapical abscessAcute exacerbation of chronic periapical abscessChronic exacerbation of acute periapical abscessAcute periapical abscessQuestion 6 of 20 7. Most common type of injury in primary teeth is:Uncomplicated crown fractureAlveolar fractureLuxationComplicated crown fractureQuestion 7 of 20 8. Which of the following may be an adverse systemic reaction to aluminium chloride impregnated gingival retraction cords?None of the aboveElevated blood pressureIncreased heart rateIncreased respiratory rateQuestion 8 of 20 9. Rake angle is:Angle between rake face & axis of burAngle between rake face & clearance faceAngle between tooth & rake faceAngle between clearance face & axis of burQuestion 9 of 20 10. In comparison to amalgam restorations, composite restorations are _____.More resistant to occlusal forcesStrongerMore technique-sensitiveNot indicated for Class II restorationsQuestion 10 of 20 11. Which type of obturation technique requires heat?Vertical condensationMTA obturationChemically plasticizedLateral condensationQuestion 11 of 20 12. Irreversible pulpitis usually occurs above intrapulpal pressure of20 mm Hg40 mmHg10 mmHg30 mm HgQuestion 12 of 20 13. Micro abrasion is done using:20% Nitric acid10% HCL37% phosphoric acid10% HF acidQuestion 13 of 20 14. Which of the following is an inflammatory reaction to pulpal infection and necrosis characterized by rapid onset, spontaneous pain, tenderness of the tooth to pressure, pus formation and swelling of associated tissues?Acute apical abscessAsymptomatic apical periodontitisChronic apical abscessSymptomatic apical PeriodontitisQuestion 14 of 20 15. A young child gets into the bathroom cabinet and ends up eating a full tube of toothpaste. The Mother calls you first, you will ask all of the following questions EXCEPT one. Which one is the EXCEPTION?How old is the child?How much does the child weigh?What kind of toothpaste was it?Did the child get into any other dental products (i.e., mouthwash)?Question 15 of 20 16. Which of following is the most accepted theory of transmission of dentinal hypersensitivity:Gates control theoryHydrodynamic theoryDirect neural stimulation theoryModulation theoryQuestion 16 of 20 17. ___________require endodontic treatment more often than any other tooth,________ while have the highest endodontic failure rate.Mandibular first molars, maxillary second molarsMaxillary second molars, mandibular first molarsMaxillary first molars, mandibular first molarsMandibular first molars, maxillary first molarsQuestion 17 of 20 18. The outline form of the access cavity of which of the following teeth is trapezoid in shape?Mandibular first molar and maxillary second molarMaxillary first molar and mandibular first molarMaxillary first molar and maxillary second premolarMandibular first molar and mandibular second molarQuestion 18 of 20 19. S. Shape of access cavity preparation in a mandibular molar with four canalsTrapezoidalRectangularOvalTriangularQuestion 19 of 20 20. When removing caries, which of the following layers of dentin are affected, but not infected, and therefore do not need to be removed?Turbid dentinInfected dentinNormal dentinTransparent dentinQuestion 20 of 20 Loading...
