1. The flat bones of the skull and part of the clavicle are formed by:Epiphyseal formationEndochondral ossificationlntramembranous ossificationErythropoiesisQuestion 1 of 20 2. 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 TherapyFR II ApplianceWait and Watch till 6yrKloehn Extra Oral Head GearQuestion 2 of 20 3. In a case with Class II malocclusion in a growing child, why is deep bite corrected before overjet:To achieve faster tooth movementTo remove mechanical obstruction in normal mandibular anterior shiftTo reduce palatal trauma due to traumatic deep biteTo aid in bonding brackets to lower anterior teethQuestion 3 of 20 4. Concept of lingual orthodontic appliance was introduced byJohnsonMershonKurzAtkinsonQuestion 4 of 20 5. Which of the following is false concerning a mixed dentition analysis?the analysis is based on a correlation of tooth sizeit is used to predict the amount of crowding after the permanent teeth eruptit is performed during the mixed dentitionanalysis is done for each quadrantQuestion 5 of 20 6. Inhibition of mandibular growth due to ankylosis of TMJ is known as:AplasiaVogel gesichtHypoplasiaHyperplasiaQuestion 6 of 20 7. Which of the following may cause extrusion of the maxillary first molars which can cause an open bite?Cervical-pull headgearHigh-pull headgearReverse-pull headgearStraight-pull headgearQuestion 7 of 20 8. Maximum Lip thickness is seen at what age in males:10 years21 years18 years16 yearsQuestion 8 of 20 9. Flutes present in microimplant helps in?Primary StabilityEasy Insertion & Clear DebrisEasy removalSecondary StabilityQuestion 9 of 20 10. Treatment of the ectopic eruption of a permanent maxillary first molar consists of:Extraction of the primary second molarDisking the distal of the primary first molarA brass wire placed between the primary second molar and permanent first molarAn appliance incorporating a finger spring to move the primary second molar mesiallyQuestion 10 of 20 11. The most common cause of malocclusion with a Class I molar relationship isimproper eruption of permanent first molars.crossbite in the posterior segments.a thumbsucking habit.tooth size and jaw size discrepancy.Question 11 of 20 12. According to Simon classification, movement of teeth towards Frankfort plane is called:RetractionProtractionAbstractionAttractionQuestion 12 of 20 13. Which of the following problem may be ignored during age of 8- 10 yrsMandibular retrusionAnterior openbiteRotation of maxillary central incisorsEnd-on molar relationQuestion 13 of 20 14. A 9 year old child with developing facial asymmetry and maxillary constriction and unilateral posterior cross bite comes to you for treatment. What will you do?Refer to orthodontistStart expansion by removable applianceWait for eruption of all teethSend for radiographic analysisQuestion 14 of 20 15. When force is applied through center of resistance of tooth which of the following occurs:TorquingTippingRotationTranslationQuestion 15 of 20 16. Areas of isolated gingival recession are most frequently seen on teeth that arelabially prominent in the arch.ankylosed.nonvital.moderately mobile.Question 16 of 20 17. Outer circle in envelope of discrepancy denotes:Surgical orthognathic treatment onlyOnly orthodontic treatmentBoth Orthodontic & Orthopaedic treatmentBoth Orthodontic & Orthognathic surgeryQuestion 17 of 20 18. Which of the following cephalometric point can be altered by orthodontic tooth movement:Point-ANasionGonionANSQuestion 18 of 20 19. Which of the following is not a function of labial bowAttachment of auxiliaryRetentionAnchorageTooth movementQuestion 19 of 20 20. The two main conditions complicating the correction of a single tooth anterior crossbite arelack of spacing and decreased overbite.lack of spacing and increased overbite.a decreased overbite and a large labial frenum.an increased overbite and a large labial frenumQuestion 20 of 20 Loading...