1. The name early childhood caries (ECC) was given byMossKrollHorowitzDaviesQuestion 1 of 20 2. A 5 year and 4 months old child has a retrusive chin with reduced lower facial height, on intraoral examination, full cusp distal step molar relation is seen. The cephalometric parameters reveal a normal SNA but a reduced SNB. What should be the line of treatmentTwin BlockBionatorFrankel IIReview at 6 yearsQuestion 2 of 20 3. Facial and lingual walls of the proximal box of a class II amalgam cavity preparation in a primary tooth shouldFollow the direction of the enamel rodsDiverge towards the occlusal surfaceParallel each otherConverge toward the occlusal surfaceQuestion 3 of 20 4. The partial pulpotomy technique was advocated byBowen in 1974Clarke in 1976Cvek in 1978Willet in 1980Question 4 of 20 5. Which of the following is characteristic of an inverted mesiodensIs more common unilaterally than bilaterallyMay cause delayed eruption of maxillary central incisorsIs rarely discovered until it erupts into the nasal cavityIs associated with an impacted canineQuestion 5 of 20 6. A young patient reported with sore throat; mild fever, and raised, discrete , whitish to yellowish solid papules, surrounded by a narrow zone of erythema. The most likely diagnosis ismeaslesherpetic stomatitisacute lymphonodular pharyngitisoral lesion of Reiter syndromeQuestion 6 of 20 7. A permanent incisor with a closed apex is traumatically intruded. What is the treatment of choice?Gradual orthodontic repositioning and calcium hydroxide pulpectomySurgical repositioning and conventional endodontic therapySurgical repositioning and calcium hydroxide pulpectomyGradual orthodontic repositioning and conventional endodontic therapyQuestion 7 of 20 8. The most common cause of short stature is?Systemic diseasesGrowth hormone defConstitutional delay in growthHypothyroidismQuestion 8 of 20 9. Parents seeking advice should be told that their child's thumb sucking habitis not usually the cause of malocclusionshould not he stopped if the child is living with a single parentshould be discouraged as soon as it is observedwill disappear on its own by the age of 6 yrsQuestion 9 of 20 10. A 7 year old child presents with a 3mm coronal fracture with pulp exposure of tooth 2.1 following a trauma 24 hours ago. The tooth is sensitive to hot and cold fluids. The most appropriate management is agutta-percha pulpectomy.gutta-percha pulpectomy followed by an apical surgery.MTA pulpotomy.MTA apexification.Question 10 of 20 11. The success of a sealant retention depends mainly onProper isolationEtchingProper washing of occlusal surfaceWashing after etchingQuestion 11 of 20 12. The most effective immediate action for a child who has accidentally swallowed 10 cc of a 10 percent fluoride solution is toHave the child drink milk or some other calcium containing liquidHave the child to drink copious quantities of water to dilute the solutionSend the child immediately to the emergency room of a hospitalHave a child drink a 10 percent sodium bicarbonate solutionQuestion 12 of 20 13. The effects of constant mouth breathing includeexpansion of the maxilla.anterior open bite.maxillary incisor retrusion.mandibular incisor protrusion.Question 13 of 20 14. When a pit and fissure sealant is placed over early but noncavitated cariesthe likelihood of caries progression is reduced.bacterial loads generally increase under the sealant.the sealant retention rate is greatly reduced.the caries will be arrested only if it is a primary tooth.Question 14 of 20 15. Frankel behavior is divided into how many numbers4321Question 15 of 20 16. To prevent mesial drift of a permanent first molar, the ideal time to place a distal extension space maintainer isafter the permanent second molar has erupted.immediately after extraction of the primary second molar. as soon as the tooth erupts through the gingival tissue.as soon as the extraction site of the primary second molar has completely healed.Question 16 of 20 17. The fastest film speed availaible for dental radiography isAEDBQuestion 17 of 20 18. The prognosis for teeth with root fracture is best when the root fracture occurs in theMiddle one third of the rootCoronal one third of the rootCoronal half of the rootApical one third of the rootQuestion 18 of 20 19. Space for eruption of permanent mandibular molars is created byApposition at the anterior border of ramusApposition of the alveolar processResorption at the anterior border of the ramusResorption at the posterior border of ramusQuestion 19 of 20 20. What is the minimum alveolar concentration of nitrous oxide (Vol %)?751055095Question 20 of 20 Loading...