1. Recurring tooth rotations occur most frequently after orthodontic correction due todensity of the cortical bone.free gingival and transseptal fibres.oblique fibres of the periodontal ligament.persistence of tongue and finger habits.Question 1 of 20 2. Facial profile of a child with a habit of thumb sucking:Convex and short faceConcave and long faceConcave and short faceConvex and long faceQuestion 2 of 20 3. Arrowhead clasp is also called:MultipleSchwarzCrozatAdams claspQuestion 3 of 20 4. Appropriate forces for orthodontic tooth movement arecontinuous and light.intermittent and light.continuous and heavy.intermittent and heavy.Question 4 of 20 5. Angle's classification of occlusion is based ona full complement of teeth.antero-posterior relationship of maxillary and mandibular first permanent molars.vertical relationships in the lower face.antero-posterior skeletal relationship of maxilla to mandible.Question 5 of 20 6. Cleft lip and palate usually result fromfailure of development of both the lateral nasal and maxillary processes.failure of the union of the median nasal process with the lateral nasal and maxillary processes.failure of proper union of the median and lateral nasal processes.anhidrotic ectodermal dysplasia.Question 6 of 20 7. Which of the following soft tissues of the oro facial region mature first:LipsAll soft tissues mature simultaneouslyPosterior 1/3rd of tongueTip of tongueQuestion 7 of 20 8. Serial extraction is indicated in:Class II malocclusionClass III malocclusionClass I malocclusionOpen bite malocclusionQuestion 8 of 20 9. What is pitch of a Hyrax expansion screw0.5 mm0.25 mm1 mm1.5 mmQuestion 9 of 20 10. A child with 5year 4 months of age presents with narrow maxilla, normal SNA, reduced SNB and distal step relationship of deciduous molar, treatment of choice is?Twin Block TherapyKloehn Extra Oral Head GearFR II ApplianceWait and Watch till 6yrQuestion 10 of 20 11. Which of the following is a latest advance in metallic brackets?All of the abovePlasma coated metal bracket basesDuplex steel alloy bracketsUse if metal injection moulding for bracket manufacturingQuestion 11 of 20 12. In child development, the embryo period is?9 weeks to birth0-2 weeks2-8 weeks2-3 weeksQuestion 12 of 20 13. Cold bend test is used to measureDuctilityCompressive strengthTensile strengthMalleabilityQuestion 13 of 20 14. For planning treatment in a patient with facial asymmetry requiring orthognathic surgery, which of the following is required:Grummons analysisOPGCBCTModel analysisQuestion 14 of 20 15. Diagnostic aid used for measuring transverse discrepancy and vertical facial dimensionsOPGLateral cephOccipitomentalPA cephQuestion 15 of 20 16. Concept of lingual orthodontic appliance was introduced byKurzJohnsonMershonAtkinsonQuestion 16 of 20 17. In complete unilateral cleft palate which of the following is seen:Vomer not fused with palateSeptum not fused with palateBoth not fused with palateComplete non- fusion of palatal processQuestion 17 of 20 18. Child OPG would show all except:Supernumerary teethArch perimeter deficienciesAxial inclination of teethApical developments of teethQuestion 18 of 20 19. In true deep bite freeway space isDecreasedCompletely ObliteratedIncreasedRemains SameQuestion 19 of 20 20. Which of the following alloys are used for archwires in orthodontics?TitaniumAll of the aboveStainless steelChromium-cobaltQuestion 20 of 20 Loading...
