1. Second molars that get locked under the distal cusps of first molars during eruption are bestAutogenously transplantedDisimpacted with "disimpaction springs"Guided with distal shoe space maintainerExtracted and third molars allowed to eruptQuestion 1 of 20 2. The lowest incidence of cleft palate is seen in which of the following:AfghansNegroesMongloidIndiansQuestion 2 of 20 3. 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?Kloehn Extra Oral Head GearWait and Watch till 6yrTwin Block TherapyFR II ApplianceQuestion 3 of 20 4. Spheno-occipital synchondroses fuses by what age:3 years16 years9 years13 yearsQuestion 4 of 20 5. The permanent mandibular canines erupt in what direction relative to the primary mandibular canines?DistallyMesiallyFaciallyLinguallyQuestion 5 of 20 6. The repair of cleft patate is primarily done for:Correction of speechInduce growth of mandibleCorrection of estheticsInduce growth of maxillaQuestion 6 of 20 7. Progressive malocclusion is:Class IIIA+CClass IIClass IQuestion 7 of 20 8. Orthodontic elastomerics are made ofPolyetherPolyurethanesAll of the abovePolysulfideQuestion 8 of 20 9. Overbite is defined as:The horizontal overlap of mandibular over maxillary anterior teethThe vertical overlap of maxillary anterior over mandibular anterior teethThe horizontal overlap of the maxillary and mandibular anterior teethDistobuccal cusp of maxillary 1st molar occludes with the central fossa of mandibular 1st molarQuestion 9 of 20 10. Which of the following ortho wire has least modulus of elasticityNitiStainless steelBeta titaniumCobalt chromiumQuestion 10 of 20 11. Facial profile of a child with a habit of thumb sucking:Concave and long faceConvex and short faceConvex and long faceConcave and short faceQuestion 11 of 20 12. How much overjet can be successfully managed using dentofacial orthopedics:0-7 mm10-14 mm14-18 mm5-7 mmQuestion 12 of 20 13. Lip bumper is used for:Mouth breathingFor lip biting & hyperactive mentalisAll of the aboveNail bitingQuestion 13 of 20 14. Andrew's 5th key of occlusion isCurve of speeBolton's rationTight contactsRotation absentQuestion 14 of 20 15. Which of the following soft tissue of oro-facial region mature first:LipTip of tonguePosterior 1/3 of tongueAll soft tissue mature simultaneouslyQuestion 15 of 20 16. Cephalometrics is useful for assessing all of the following relationships except:Tooth to boneSoft palate to gingiva.Bone to boneTooth to toothQuestion 16 of 20 17. 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 17 of 20 18. Which cephalometric angle does not change with treatmentANBSaddle angleSNASNBQuestion 18 of 20 19. The facial angle is high in:Posterior divergent faceOrthognathic faceNone of the aboveAnterior divergent faceQuestion 19 of 20 20. All of the following are types of tooth movement EXCEPT one. Which one is the EXCEPTION?TippingextrusiontranslationpullingQuestion 20 of 20 Loading...