1. W arch is used for treatment of:Anterior cross biteOpen biteDeep bitePosterior cross biteQuestion 1 of 20 2. Adolescent age group is defined as:10-18 years6 - 10 years14-20 years10-14 yearsQuestion 2 of 20 3. Which of the following is NOT a transient self-correcting malocclusion?Spaced primary dentitionAnterior crossbite in primary dentitionFlush terminal planes in primary dentitionDeep overbite in primary dentitionQuestion 3 of 20 4. A force maintained at some appreciable fraction of the original from one patient visit to the next isIntermittentContinuousInterruptedNone of the aboveQuestion 4 of 20 5. The most common cause of malocclusion with a Class I molar relationship isa thumbsucking habit.crossbite in the posterior segments.tooth size and jaw size discrepancy.improper eruption of permanent first molars.Question 5 of 20 6. Rate of activation with slow expansion is1 mm per day1 mm for 3 days1 mm for a month1 mm per weekQuestion 6 of 20 7. If the centre of rotation is present at the centre of bracket slot orthodontic movement that occurs isTorquingControlled tippingUncontrolled tippingTranslationQuestion 7 of 20 8. Ideal orthodontic tooth movement involveslarge forces.undermining resorption.frontal resorption.subcrestal incisions.Question 8 of 20 9. The most likely reason for extracting four first premolars in orthodontics is because ofan excessive overbite.a tooth size/arch size discrepancy.posterior crossbite.retrusive maxillary incisors.Question 9 of 20 10. During Orthodontic Bonding, etching removes how much enamel10-20 ?m20-40 ?m21-30 ?m3-9 ?mQuestion 10 of 20 11. Leeway space of Nance isSpace difference between maxillary premolars and mandibular premolarsSpace differencc between permanent premolars and deciduous molarsSpace difference between permanent canines and premolars and deciduous canine and molarsSpace difference between permanent molars and deciduous molarsQuestion 11 of 20 12. Myofunctional appliances are highly effective in Class II malocclusion withPrognathic maxilla and normal mandibleNormal maxilla and Retrognathic mandibleRetrognathic maxilla and normal mandiblePrognathic maxilla and retrognathic mandibleQuestion 12 of 20 13. The point which can be altered by orthodontic tooth movement:GonionANSNasionPoint AQuestion 13 of 20 14. Which condition is appropriately treated at an early age?Two deciduous molars nearly in crossbitePosterior crossbite with a functional shiftMild crowding of lower permanent incisorsDeviated midline in the absence of a functional shiftQuestion 14 of 20 15. Teeth with root fracture cannot be moved orthodontically for:3 months1 year6 months1 monthQuestion 15 of 20 16. Which of the following materials is not used as antiflux?Boric acidRougeCalcium carbonate in alcoholGraphiteQuestion 16 of 20 17. When force is applied through center of resistance of tooth which of the following occurs:TranslationRotationTorquingTippingQuestion 17 of 20 18. Which cephalometric point represents centre of rams of mandiblePtm pointXi-pointPM pointN-pointQuestion 18 of 20 19. Appearance of ulnar sesamoid bones in hand occurs:BirthAt the prepubertal spurtAt onset of pubertal growth spurtAt the end of pubertal spurtQuestion 19 of 20 20. Hyper active mentalis activity is seen inClass I malocclusionClass III malocclusionClass II div 2 malocclusionClass II div 1 malocclusionQuestion 20 of 20 Loading...
