1. Bed of orthodontic tooth movement isAlveolar processOsteoblasts and osteoclastsGingivaPeriodontiumQuestion 1 of 20 2. Child OPG would show all except:Supernumerary teethArch perimeter deficienciesApical developments of teethAxial inclination of teethQuestion 2 of 20 3. Retrusion and protrusion of the mandible cannot be measured by which radiographic cephalometric variable?N-Pog perpendicularFacial angleANBFacial axisQuestion 3 of 20 4. Which of the following soft tissues of the oro facial region mature first:Tip of tongueLipsPosterior 1/3rd of tongueAll soft tissues mature simultaneouslyQuestion 4 of 20 5. Transverse cant of occlusal plane is seen in frontal plane examination. It occurs due to:Alteration in roll of dentitionAlteration in pitch of dentitionAlteration and abstraction of jawChange in yaw of dentitionQuestion 5 of 20 6. Rate of activation with slow expansion is1 mm for a month1 mm per day1 mm for 3 days1 mm per weekQuestion 6 of 20 7. Advantage of metal modified GIC over conventional GIC isHigh abrasion resistanceHigh fracture resistanceHigh strengthAestheticQuestion 7 of 20 8. A patient With maxillary midline diastema which has been closed orthodontically requires what kind of retention:Begs retainer for 6 monthsFixed palatal retainerNo retentionBegs retainer for 1 yearQuestion 8 of 20 9. Maxillary skeletal arch expansionrequires surgery in skeletally immature patients.is easiest in the preadolescent patient.decreases arch space.increases overbite.Question 9 of 20 10. The repair of cleft patate is primarily done for:Induce growth of maxillaCorrection of estheticsInduce growth of mandibleCorrection of speechQuestion 10 of 20 11. All of the following are extra oral components of the headgear except:Neck strapHead capFace-bowChin cupQuestion 11 of 20 12. Titanium is added in stainless steel toAll of the aboveTo form an oxide layerTo increase the strengthIncrease the resiliencyQuestion 12 of 20 13. The total eruption path of a first permanent molar is about1.5 cm2.5 cm3 cm2 cmQuestion 13 of 20 14. Which of the following Class II Division 1 malocclusion(s) is/are most likely to be corrected with a cervical headgear?Prognathic maxilla, decreased lower face height, increased over bite.Open bite, prognathic maxilla, prognathic mandible.Retrognathic mandible, retrognathic maxilla, open bite.Increased lower anterior face height, prognathic mandible, retrognathic maxilla.Question 14 of 20 15. Hardening heat treatment is commonly used forStainless steel wireCobalt-chromium wiresTMA wiresNickel titanium wiresQuestion 15 of 20 16. Premature loss of a primary maxillary second molar usually produces a malocclusion in the permanent dentition that is characterized bydelayed eruption of the permanent first molar.labially displaced maxillary canines.an Angle Class II molar relationship on the affected side.an Angle Class III molar relationship on the affected side.Question 16 of 20 17. Which analysis uses the measurement of lower incisors to calculate dimensions of posterior teeth:Bolton's analysisHuckaba analysisNance analysisMoyers analysisQuestion 17 of 20 18. Xi point is seen in which of the following analysis:DownSteinerRickettsSassouni analysisQuestion 18 of 20 19. According to Simon classification, movement of teeth towards Frankfort plane is called:RetractionAttractionAbstractionProtractionQuestion 19 of 20 20. Expansion in Frankel appliance is:Latent expansionRapid expansionPassive expansionActive expansionQuestion 20 of 20 Loading...