1. The most typical location for the development of early childhood caries is thegingival area of the mandibular incisors.gingival area of the maxillary incisors.incisal edges of the maxillary incisors.incisal edges of the mandibular incisors.Question 1 of 20 2. A large carious exposure occurs on a permanent first molar of a 7 year old. There is no periapical involvement and the tooth is vital. The treatment should be tocap the exposure with calcium hydroxide and place zinc-oxide and eugenol.perform a pulpotomy and place calcium hydroxide.perform a pulpectomy.extract the tooth and place a space maintainer.Question 2 of 20 3. The facial and lingual walls of the proximal box in case of class ii amalgam filling fo a primary tooth areParallelDiverge occlusallyFollow the direction of enamel rodsConvexQuestion 3 of 20 4. The disadvantages of clear resin when used as a sealant isEsthetically unpleasantDifficult to detect on recall examinationsLow strengthPoor retentionQuestion 4 of 20 5. Oral bacteria attacks organic components of enamel and the breakdown products have the ability to dissolve the tooth mineral, this isHypoplastic theoryProteolysis theoryAcidogenic theory or chemico-parasitic theoryProteolysis chelation theoryQuestion 5 of 20 6. The most appropriate treatment following the extraction of a first primary molar in a 4 year old child isextraction of the contra-lateral molar.insertion of a space maintainer.to perform space analysis.regular assessment of arch development.Question 6 of 20 7. Which of the following is the most recommended endodontic obturating material for deciduous teeth?Ca(oh)2 pasteKri pasteZoeMaisto's pasteQuestion 7 of 20 8. In formocresol pulpotomy cotton is applied over root stumps for10 min10 sec5 min5 secQuestion 8 of 20 9. A 20-month-old female presents with her mother to your office for her first check-up. Her mother is concerned because her daughter only has a few erupted teeth. Upon examining the patient, which teeth should you expect to find?Primary centrals and laterals onlyPrimary centrals, laterals, first molars, second molarsPrimary centrals, laterals, caninesPrimary centrals, laterals, first molars, caninesQuestion 9 of 20 10. Which of the following are advantages a light cured materials over chemical cure sealants?Better physical and mechanical propertiesWorking time is longerLess chance of incorporation of air bubbleAll of the aboveQuestion 10 of 20 11. The most appropriate treatment for an 11 year old who has intermittent swelling and pain associated with a central incisor which was traumatized 6 months ago ispulpectomy.observation.pulpotomy.extraction.Question 11 of 20 12. A 7 year old child who complains of pain when eating, has a large carious lesion on a permanent molar. A radiograph reveals no periapical change. The most appropriate treatment is a/anindirect pulp capping.pulpotomy.partial pulpotomy.direct pulp capping.Question 12 of 20 13. Which of the following is characteristic of an inverted mesiodensIs associated with an impacted canineMay cause delayed eruption of maxillary central incisorsIs more common unilaterally than bilaterallyIs rarely discovered until it erupts into the nasal cavityQuestion 13 of 20 14. Which of these is an indication for Formocresol Pulpotomy:Inflammation restricted to coronal pulpInflammation extending to radicular pulpNecrotic pulpUncontrollable hemorrhage from pulpQuestion 14 of 20 15. If a 7 yr old child loses a primary mandibular canine at the same time the adjacent lateral incisor is erupting, the dentist should be alert to the possibility ofA developing crossbiteCrowding of the mandibular anterior teethEarly eruption of the permanent canineA tongue habitQuestion 15 of 20 16. Which of the following factors is not responsible for the discolouration of a traumatized deciduous anterior toothTearing of fibers of the periodontal ligamentActive internal resorption of the toothExtravasation of red cells from the vessels into the dentinal tubulesInternal calcification of the pulp chamberQuestion 16 of 20 17. The union of two teeth by the crowns isAnkylosisFusionGeminationConcrescenceQuestion 17 of 20 18. Which of the following oropharyngeal function is not involuntarySpeechGaggingRespirationTongue positionQuestion 18 of 20 19. The proposed mode of inheritance of cleft lip and palate isMultifactorialAutosomal dominantX linked recessiveAutosomal recessiveQuestion 19 of 20 20. Which of the following teeth is most likely to resist invasion by caries?Mandibular canineMaxillary central incisorMandibular first molarMaxillary second premolarQuestion 20 of 20 Loading...