1. Congenital epulis of new born bears a resemblance togranular cell myoblastomajuvenile nasopharyngeal fibromaschwannomagiant cell epulis.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 toextract the tooth and place a space maintainer.perform a pulpotomy and place calcium hydroxide.perform a pulpectomy.cap the exposure with calcium hydroxide and place zinc-oxide and eugenol.Question 2 of 20 3. 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 liquidSend the child immediately to the emergency room of a hospitalHave the child to drink copious quantities of water to dilute the solutionHave a child drink a 10 percent sodium bicarbonate solutionQuestion 3 of 20 4. Preventive resin restoration is usedIn cavitated pit and fissure sealantsIn non accessible proximal areasIn deep cariesUsed in non cavitated pit and fissure sealantsQuestion 4 of 20 5. How much fluoride, in ppm, is contained in commonly used toothpastes?9,000 ppm1,000 ppm5,000 ppm12,300 ppmQuestion 5 of 20 6. The enamel rods in the gingival third of primary teeth slope occlusally instead of cervically as in permanent teeth, and the interproximal contacts of primary teeth are broader and flatter than permanent teeth.The first statement is true and the second statement is true.The first statement is false and the second statement is false.The first statement is true and the second statement is false.The first statement is false and the second statement is true.Question 6 of 20 7. Amalgam is most often the restorative material of choice for primary teeth. The most important modification in its use for children is in the Use of a rubber damPlacement of matrix bandsCavity preparationUse of a zinc free alloyQuestion 7 of 20 8. Failure of bone resorption over an erupting tooth is due to lack ofosteocytes.neutrophils.osteoclasts.fibroblasts.Question 8 of 20 9. Which of the following dental health recommendations is consistent with the general nutrition guidelines?A piece of fruit and plain yogurt is an acceptable snack.Diet soft drinks and potato chips are an acceptable snack.Eat a bigger lunch and not snack.Brush your teeth well after snacks.Question 9 of 20 10. 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 extraction site of the primary second molar has completely healed.as soon as the tooth erupts through the gingival tissue.Question 10 of 20 11. The source of calcium ions of a calcific bridge in a tooth in which calcium hydroxide pulpotomy has been performed isFrom the calcium hydroxideDerived celsBlood borne vesselDentinQuestion 11 of 20 12. In preparing a primary first molar for a stainless steel crown, the surface requiring the least amount of reduction isOcclusalMesialLingualFacialQuestion 12 of 20 13. The most appropriate radiographic examination for a 4 year old without visible or clinically detectable caries or anomalies, and with open proximal contacts isa pair of posterior bite-wings.maxillary and mandibular anterior occlusals.no radiographic examination.maxillary and mandibular posterior periapicals.Question 13 of 20 14. For an avulsed, fully developed permanent tooth that has been reimplanted, a favourable prognosis is most affected by theuse of an appropriate antibiotic.effectiveness of the irrigation of the socket.length of time the tooth has been out of the mouth.rigidness of the splint.Question 14 of 20 15. Which property of pit and fissure sealant is most important?Low volatilityModerate solubility and water sorptionThermal conductivity higher than teethAdequate working timeQuestion 15 of 20 16. A CONTRAINDICATION for a pulpectomy on a primary molar isspontaneous nocturnal pain.pulpal hyperemia.less than 1/3 of the root structure remaining.pulp tissue necrosis.Question 16 of 20 17. Maximum amount of fluoride in the tooth structure is inPulpEnamelCementumDentinQuestion 17 of 20 18. Stony hard on percussion, tooth stops erupting. Such tooth showsInternal ResorptionReplacement Resorption AnkylosisMesial migrationExternal ResorptionQuestion 18 of 20 19. The best filling material in deciduous teeth for RCTCalcium hydroxideAmalgamZinc oxide eugenolGutta perchaQuestion 19 of 20 20. The most likely cause of loss of a pit and fissure sealant is theplacement of the sealant over enamel caries.the failure to use primer prior to its placement.use of a chemical-cured sealant.moisture contamination during placement.Question 20 of 20 Loading...
