1. Compared to homogenous populations, malocclusion in a heterogenous population is:LowerSameHigherCannot be saidQuestion 1 of 20 2. Appropriate forces for orthodontic tooth movement arecontinuous and light.intermittent and light.intermittent and heavy.continuous and heavy.Question 2 of 20 3. Class II malocclusion usually presents a _________________ facial profile:OrthognathicPrognathicComplexRetrognathicQuestion 3 of 20 4. Which is the first titanium alloy introduced into contemporary orthodonticsAlpha titaniumBeta titaniumNiTiAll came to orthodontic practice same timeQuestion 4 of 20 5. Which is the most important factor in habitsType of habitIntensityFrequencyAgeQuestion 5 of 20 6. Normal facial index is:75-80%<75%>80%1Question 6 of 20 7. Habitual grinding of teeth in day time referred to asBruxomaniaBruxism.Occlusal dysfunctionTraumatic biteQuestion 7 of 20 8. The term applied when it is doubtful, according to mixed dentition analysis whether there will be space for all the teethSpace regainingSpace supervisionSpace maintenanceNone of the aboveQuestion 8 of 20 9. A primary second molar becomes ankylosed most commonlyDue to failure of alveolar bone of tooth to growDuring physiological ResorptionAll of the aboveDuring root formationQuestion 9 of 20 10. The point which can be altered by orthodontic tooth movement:NasionGonionPoint AANSQuestion 10 of 20 11. Which of the following is NOT a transient self-correcting malocclusion?Flush terminal planes in primary dentitionAnterior crossbite in primary dentitionDeep overbite in primary dentitionSpaced primary dentitionQuestion 11 of 20 12. An 8 year old patient with all primary molars still present exhibits a cusp-to-cusp relationship of permanent maxillary and mandibular first molars and good alignment of the lower incisors. The management of this patient should be torefer for orthodontic consultation.place patient on appropriate recall schedule.use a cervical headgear to reposition maxillary molars.disk the distal surfaces of primary mandibular second molars.Question 12 of 20 13. A clinical diagnostic indication of palatal impaction of maxillary permanent canines does NOT includelack of canine buccal bulges in a 10 year old patient.proclined and laterally flared permanent lateral incisors.midline central diastema.delayed exfoliation of primary canines.Question 13 of 20 14. Best method to sterilize orthodontic plier isAlcoholChemiclaveBoilingAutoclaveQuestion 14 of 20 15. Condition of mouth breathing usually showsHypertonic upper lipHypotonic lower lipHypotonic upper lipHypertonic lower lipQuestion 15 of 20 16. Which is not true regarding Presurgical naso alveolar moulding:Allows for better lip form and nose form to be achieved by primary surgeryAllows columella lengthening along with alignment of lip and nose segmentsAllows increase in time before intervention is requiredReduces severity of initial defect prior to surgeryQuestion 16 of 20 17. Most common type of hereditary malocclusion isClass I type 1Class II div 2Functional class IIIClass II div 1Question 17 of 20 18. Increased ANB angle signifies:Retrognathic maxillaBimaxillary protrusionPrognathic mandibleRetrognathic mandible.Question 18 of 20 19. In edgewise technique, first order bends are?Up and dowmHorizontal and verticalVerticalHorizontalQuestion 19 of 20 20. In a 17 year old male with a vertical growth pattern, deep anterior bite and crowding of dentition requires orthodontic treatment. In such a case, correction of deep bite while maintaining mandibular plane can be achieved by:Relative extrusion of posteriorsAbsolute intrusion of posteriorsRelative intrusion of anteriorsAbsolute intrusion of anteriorsQuestion 20 of 20 Loading...
