1. Myofunctional appliances are highly effective in Class II malocclusion withPrognathic maxilla and retrognathic mandibleNormal maxilla and Retrognathic mandibleRetrognathic maxilla and normal mandiblePrognathic maxilla and normal mandibleQuestion 1 of 20 2. In long face individuals, who have excessive lower anterior facial height, the palatal plane is rotatedUp posteriorlyDown posteriorlyDown anteriorlyNo rotation of the palatal planeQuestion 2 of 20 3. Areas of isolated gingival recession are most frequently seen on teeth that arenonvital.labially prominent in the arch.moderately mobile.ankylosed.Question 3 of 20 4. In an adult Class II division 1 malocclusion case, what should be done:Extraction of upper 2nd PMExtraction of upper 1st PMExtraction of lower 2nd PMExtraction of lower 1st PMQuestion 4 of 20 5. All of the following are orthodontic bracket materials exceptPolymethyl methacrylateGoldPolycarbonateCeramicQuestion 5 of 20 6. Katz classification is based onCanine relationIncisor relationMolar relationPremolar relationQuestion 6 of 20 7. Class II malocclusion is usually associated with which facial profile?A retrognathic profileAn orthognathic profileA prognathic profileNone of the aboveQuestion 7 of 20 8. In a bonded palatal expansion (Hyrax) appliance the wire framework is made of:0.040 inch elgiloy0.040 inch stainless steel0.032 inch stainless steel0.036 inch stainless steelQuestion 8 of 20 9. Which analysis uses the measurement of lower incisors to calculate dimensions of posterior teeth:Huckaba analysisNance analysisBolton's analysisMoyers analysisQuestion 9 of 20 10. Australian wire, which is round austenitic wire most commonly used in Begg differential light force technique, is manufactured by:Spring drawn and cold treatedAnnealed and cold drawnCold treated and heat drawnHeat treated and cold drawnQuestion 10 of 20 11. Which of the following soft tissue of oro-facial region mature first:Tip of tongueLipPosterior 1/3 of tongueAll soft tissue mature simultaneouslyQuestion 11 of 20 12. All of the following are extra oral components of the headgear except:Chin cupFace-bowNeck strapHead capQuestion 12 of 20 13. In orthognathic surgery, dental compensations to skeletal malocclusions are removed:Prior to surgeryDuring surgeryNone of themAfter surgeryQuestion 13 of 20 14. An Angle Class II, division 1 malocclusion can be differentiated from an Angle Class II, division 2 malocclusion based upon theseverity of the Angle Class II malocclusion.inclination of maxillary incisors.amount of overbite.molar relationship.Question 14 of 20 15. When comparing stainless steel versus nickel titanium in orthodontic wires, stainless steel has a __________ modulus of elasticity. and __________ resilience.higher, higherlower, lowerlower, higherhigher, lowerQuestion 15 of 20 16. Facial plane is measured from nasion to:MentonPogonionGonionBasionQuestion 16 of 20 17. To standardize the magnification during recording of a lateral cephalogram for a child, the position of the sensor/film should beDistance between sensor and source should be 60 inchesConsider head radius as 9 inches and add to 60 inches between film and source of radiationDistance between the sensor and source of radiation should be kept at 70 inchesConsider head radius as 6 inches and add to 60 inches between ilm and source of radiationQuestion 17 of 20 18. Which of the following metals shows the property of twinningCobalt chromiumNickel titanium alloyAll of the aboveStainless steelQuestion 18 of 20 19. Andrew's 5th key of occlusion isCurve of speeTight contactsRotation absentBolton's rationQuestion 19 of 20 20. The following is not an absolute indication for mounting an orthodontic study cast on an articulatorClass II malocclusion with severe tooth material excess of more than 14mmTo record and document any CR-CO discrepancyTo record and document the excursive paths of the mandibleSurgical treatment planningQuestion 20 of 20 Loading...