1. A flush terminal plane will convert to an Angle Class I occlusion bymesial movement of the mandibular first permanent molars into the leeway space.mandibular forward growth exceeding maxillary growth.closure of mandibular primate space.distal movement of the maxillary first permanent molars.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 pulpectomy.cap the exposure with calcium hydroxide and place zinc-oxide and eugenol.perform a pulpotomy and place calcium hydroxide.Question 2 of 20 3. 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 crossbiteA tongue habitCrowding of the mandibular anterior teethEarly eruption of the permanent canineQuestion 3 of 20 4. A child behaves inappropriately during his dental visit. In response, the dentist sends the Mother outside the operatory. This kind of behaviour management is termed asOmissionNegative reinforcementPunishmentPositive reinforcementQuestion 4 of 20 5. How much fluoride, in ppm, is contained in commonly used toothpastes?1,000 ppm12,300 ppm5,000 ppm9,000 ppmQuestion 5 of 20 6. A 10 year old patient complains of discomfort in a maxillary primary second molar when eating. The tooth is mobile with a large mesio-occlusal amalgam restoration. The most likely diagnosis isan acute pulpitis.an exfoliating tooth.a hyperemic pulp.a hyperplastic pulp.Question 6 of 20 7. Congenitally missing teeth are the result of failure in which stage of development?InitiationCalcificationMorphodifferentiationAppositionQuestion 7 of 20 8. Failure of bone resorption over an erupting tooth is due to lack offibroblasts.neutrophils.osteocytes.osteoclasts.Question 8 of 20 9. Stony hard on percussion, tooth stops erupting. Such tooth showsExternal ResorptionMesial migrationReplacement Resorption AnkylosisInternal ResorptionQuestion 9 of 20 10. The fastest film speed availaible for dental radiography isBDEAQuestion 10 of 20 11. A 4 year old child presents with a history of trauma and an asymptomatic discoloured primary maxillary left incisor. A periapical radiograph reveals no abnormalities. The most appropriate management is a/anregular recall for observation.extraction.pulpectomy.pulpotomy.Question 11 of 20 12. The type of GIC used for ART isType I GICType III GICType IX GICType II GICQuestion 12 of 20 13. Radiographs of traumatized teeth are necessary todetermine the stage of root developmentfind out if tooth fragments have been embedded in the soft tissuesdetect root fracturesall of the aboveQuestion 13 of 20 14. The mandibular primary second molar is extracted in a 5 year old patient. The most appropriate time to construct a space maintainer isone year before eruption of the mandibular permanent first molar.one year after eruption of the mandibular permanent first molar.during eruption of the mandibular permanent first molar.immediately.Question 14 of 20 15. A light bluish dome shaped lesion on the inside lip of a 2 yr old child is mostlyHematomaMelanomaHemangiomaMucoceleQuestion 15 of 20 16. When a deciduous tooth is moved orthodontically, the associated permanent tooth germmoves in the opposite directionfollows this movementis not affectedcan move in any directionQuestion 16 of 20 17. For an avulsed, fully developed permanent tooth that has been reimplanted, a favourable prognosis is most affected by therigidness of the splint.use of an appropriate antibiotic.length of time the tooth has been out of the mouth.effectiveness of the irrigation of the socket.Question 17 of 20 18. A 4 yr child has a normal complement of primary teeth but they are grey and exhibit extensive occlusal and incisal wear. Radiographic examination indicates some extensive deposits of secondary dentin in these teeth. This condition isNeonatal hypoplasiaCleidocranial dysostosisDentinogenesis imperfectaAmelogenesis imperfectQuestion 18 of 20 19. One of the important signs for diffrential diagnosis of creidocranial dysostosis and craniofacial dysostosis is the presence or absence of a pair of bones. The bones refereed to are theTrapezoidsClaviclesNasalsCapitatesQuestion 19 of 20 20. Cleidocranial dysostosis is of interest to the dentist because ofMultiple supernumerary and unerupted teethAssociated high caries indexPremature loss of teethHigh incidents of cleftsQuestion 20 of 20 Loading...