1. Facial plane is measured from nasion to:MentonBasionPogonionGonionQuestion 1 of 20 2. Incisal liability in the maxillary and mandibular arch is:4 mm maxilla, 6 mm mandible5 mm maxilla, 7 mm mandible7 mm maxilla, 5 mm mandible6 mm maxilla, 4 mm mandibleQuestion 2 of 20 3. If anterior crossbite is not corrected with tongue blade, then the appliance indicated is:Fixed applianceZ springInclined planeIce cream spatulaQuestion 3 of 20 4. Which of the following cephalometric point can be altered by orthodontic tooth movement:NasionPoint-AGonionANSQuestion 4 of 20 5. Adam's clasp adjustment is done by:Bending the clasp gingivally at the point at which it inserts into the plateGiving a v-shaped indent on the bridge of the claspCompressing the vertical loops of the arrow heads towards each otherBending the bridge gingivallyQuestion 5 of 20 6. Child OPG would show all except:Axial inclination of teethApical developments of teethSupernumerary teethArch perimeter deficienciesQuestion 6 of 20 7. The importance of proximal caries in deciduous 1st Molar for an orthodontist is:Flush terminal plane malocclusionRedUcticin in, arch length due to growth of mandibleLoss of arch lengthClass I OcclusionQuestion 7 of 20 8. Which is the most important factor in habitsType of habitAgeFrequencyIntensityQuestion 8 of 20 9. Leeway space of Nance isSpace differencc between permanent premolars and deciduous molarsSpace difference between permanent molars and deciduous molarsSpace difference between permanent canines and premolars and deciduous canine and molarsSpace difference between maxillary premolars and mandibular premolarsQuestion 9 of 20 10. Xi point is seen in which of the following analysis:Sassouni analysisSteinerDownRickettsQuestion 10 of 20 11. 12 yr old patient comes with retained primary mandibular second molar and radiograph shows congenitally missing second premolar. Most conservative approach would beExtraction of 11d molar and allowing the rest to migrate in its positionRetain the 2nd molar with minimum proximal contact strippingExtraction of 2nd molar and Transplantation of third molar in its place.Extraction of 2nd molar and giving a bridgeQuestion 11 of 20 12. Hyper active mentalis activity is seen inClass II div 1 malocclusionClass III malocclusionClass I malocclusionClass II div 2 malocclusionQuestion 12 of 20 13. Andrew's 5th key of occlusion isTight contactsRotation absentBolton's rationCurve of speeQuestion 13 of 20 14. If moment of couple moment of force MC/MF = 0, then what type of movement occurs:TranslationBodilyTippingTorqueQuestion 14 of 20 15. The most significant factor in determining the prognosis of anterior crossbite correction is theage of patient.depth of the overbite.shape of the tooth involved.space available mesiodistally.Question 15 of 20 16. Minimum number of lobes/centers of formation for permanent teethFourTwoOneThreeQuestion 16 of 20 17. In an adult patient the C-res liesShifted more apicallyAt incisal edge of crownShifted more cervicallyAt.the center of rootQuestion 17 of 20 18. 12 primary and 12 permanent teeth seen at what age in a child:11.56.513.58.5Question 18 of 20 19. Best method to retain a corrected maxillary canine rotation:Supracrestal fibrotomyLong term removable retainerOvercorrectionPermanent retentionQuestion 19 of 20 20. The most likely reason for extracting four first premolars in orthodontics is because ofan excessive overbite.retrusive maxillary incisors.a tooth size/arch size discrepancy.posterior crossbite.Question 20 of 20 Loading...