1. Progressive malocclusion is:Class IClass IIIClass IIA+CQuestion 1 of 20 2. In a bonded palatal expansion (Hyrax) appliance the wire framework is made of:0.032 inch stainless steel0.040 inch elgiloy0.040 inch stainless steel0.036 inch stainless steelQuestion 2 of 20 3. What is pitch of a Hyrax expansion screw1 mm0.25 mm1.5 mm0.5 mmQuestion 3 of 20 4. Retrusion and protrusion of the mandible cannot be measured by which radiographic cephalometric variable?N-Pog perpendicularANBFacial axisFacial angleQuestion 4 of 20 5. Inability to produce bilabial sounds properly like /b/ and /p/ along with lisp like sounds is seen in which malocclusion:Class II division 1 with incompetent lipsClass I type 4Class III with competent lipsClass I type 3Question 5 of 20 6. Treatment of the ectopic eruption of a permanent maxillary first molar consists of:Disking the distal of the primary first molarA brass wire placed between the primary second molar and permanent first molarExtraction of the primary second molarAn appliance incorporating a finger spring to move the primary second molar mesiallyQuestion 6 of 20 7. Secondary or Intermediate alveolar bone grafting for a cleft palate patient is done:After canine eruptionAfter first molar eruptionBefore canine eruptionBefore maxillary lateral incisor eruptionQuestion 7 of 20 8. Compared to homogenous populations, malocclusion in a heterogenous population is:HigherCannot be saidSameLowerQuestion 8 of 20 9. In periodontal compromised tooth, which tooth movement is done carefullyRetroclinationProclinationUprightingIntrusionQuestion 9 of 20 10. Which of the following soft tissue of oro-facial region mature first:All soft tissue mature simultaneouslyLipPosterior 1/3 of tongueTip of tongueQuestion 10 of 20 11. Crossbites may be associated with all of the following except:HeredityJaw-size discrepancyTongue thrustingScissor-biteQuestion 11 of 20 12. 90 degree activation of pendulum appliance creates how much distal force on molars:350 gms75 gms450 gms125 gmsQuestion 12 of 20 13. Prior to the correction of a one tooth anterior crossbite, the principle factor to consider is theadequacy of mesio-distal space.sequence of eruption of the permanent dentition.morphology of the anterior teeth.developmental age of the patient.Question 13 of 20 14. Which of the following is a mixed functional appliance:A&BBow activatorBionatorHerbst applianceQuestion 14 of 20 15. Transverse cant of occlusal plane is seen in frontal plane examination. It occurs due to:Alteration in roll of dentitionChange in yaw of dentitionAlteration in pitch of dentitionAlteration and abstraction of jawQuestion 15 of 20 16. Generalized Anterior crossbite in the primary dentition indicates:A developing Class II malocclusionA developing Class III malocclusionA dental malrelationA normal maxillo-mandibular relationQuestion 16 of 20 17. Which of the following are not classic symptoms of a sucking habit?retroclination of the mandibular incisorsa Class II malocclusionexpanded maxillary archanterior open biteQuestion 17 of 20 18. Katz classification is based onIncisor relationCanine relationMolar relationPremolar relationQuestion 18 of 20 19. The predominant type of movement produced by a finger spring on a removable appliance istranslation.tipping.rotation.torque.Question 19 of 20 20. Alveolar bone is undergoing remodellinguntil the complete eruption of permanent teeth.until the end of mixed dentition.throughout life.through the primary dentition.Question 20 of 20 Loading...