1. The two main conditions complicating the correction of a single tooth anterior crossbite arelack of spacing and decreased overbite.a decreased overbite and a large labial frenum.an increased overbite and a large labial frenumlack of spacing and increased overbite.Question 1 of 20 2. Normal facial index is:>80%1<75%75-80%Question 2 of 20 3. The predominant type of movement produced by a finger spring on a removable appliance istorque.tipping.translation.rotation.Question 3 of 20 4. Maximum Lip thickness is seen at what age in males:16 years18 years21 years10 yearsQuestion 4 of 20 5. X-occlusion is commonly found among:Oriental populationSouth Pacific islandersAustralian arboriginesAfrican populationQuestion 5 of 20 6. In an 8-year old, the optimum time for treatment of an anterior crossbite of dental origin isafter the maxillary premolars erupt.after the maxillary canines are in position.following completion of jaw growth.as soon as possible.Question 6 of 20 7. At age 9, a pt needs his tooth #30 extracted due to caries. What is the proper space maintenance treatment?removable partial dentureband and loop on "T"distal shoe on "T"no space maintenance is neededQuestion 7 of 20 8. The most likely reason for extracting four first premolars in orthodontics is because ofretrusive maxillary incisors.a tooth size/arch size discrepancy.posterior crossbite.an excessive overbite.Question 8 of 20 9. Secondary or Intermediate alveolar bone grafting for a cleft palate patient is done:Before maxillary lateral incisor eruptionAfter first molar eruptionBefore canine eruptionAfter canine eruptionQuestion 9 of 20 10. Which of the following malocclusions is most appropriately corrected immediately upon diagnosis?Angle Class II division 1.Midline diastema.Angle Class II division 2.Cross-bite with a lateral functional shift.Question 10 of 20 11. an Angle Class I occlusion, the mesiobuccal cusp of the maxillary first molar occludes withcentral fossa of the mandibular first molar.mesiobuccal cusp of the mandibular first molar.mesiobuccal groove of the mandibular first molar.mesial marginal ridge of the mandibular first molar.Question 11 of 20 12. Class II malocclusion is usually associated with which facial profile?A prognathic profileA retrognathic profileNone of the aboveAn orthognathic profileQuestion 12 of 20 13. When permanent maxillary lateral incisors are congenitally missing, the permanent canine may often erupt:May be congenitally missingMesial to the deciduous canineBetween the two CIsDistal to the deciduous canineQuestion 13 of 20 14. In normal growing child weight on 1st birthday expected as compared to birth weight is ?50 percent300 percent200 percent100 percentQuestion 14 of 20 15. Transverse cant of occlusal plane is seen in frontal plane examination. It occurs due to:Change in yaw of dentitionAlteration and abstraction of jawAlteration in pitch of dentitionAlteration in roll of dentitionQuestion 15 of 20 16. The most appropriate treatment following the extraction of a first primary molar in a 4 year old child isregular assessment of arch development.to perform space analysis.extraction of the contra-lateral molar.insertion of a space maintainer.Question 16 of 20 17. All of the following are advantages of the indirect method of bonding brackets to a tooth over the direct method EXCEPT one. Which one is the EXCEPTION?Controlled thickness of the resin between the tooth and the bracket interfaceLess technique sensitiveReduced chair-side timeMore precise location of brackets possible in the laboratoryQuestion 17 of 20 18. In an ideal Class I occlusion, the cusp of which mandibular tooth is in contact with the central fossa of the maxillary second molar?Distobuccal cusp of the first molar.Distobuccal cusp of the second molar.Mesiobuccal cusp of the first molar.Mesiobuccal cusp of the second molar.Question 18 of 20 19. Condition of mouth breathing usually showsHypotonic upper lipHypertonic upper lipHypertonic lower lipHypotonic lower lipQuestion 19 of 20 20. Titanium is added in stainless steel toIncrease the resiliencyAll of the aboveTo form an oxide layerTo increase the strengthQuestion 20 of 20 Loading...
