1. Which of the following are not classic symptoms of a sucking habit? anterior open bite expanded maxillary arch a Class II malocclusion retroclination of the mandibular incisors 2. Thumb sucking is normal upto what age: 1 yr 4 yrs 2 yrs 5 yrs 3. Ideal orthodontic tooth movement involves undermining resorption. large forces. subcrestal incisions. frontal resorption. 4. Hyper active mentalis activity is seen in Class I malocclusion Class II div 2 malocclusion Class II div 1 malocclusion Class III malocclusion 5. The body of the mandible increases in length to accommodate the permanent second molar by resorption of bone along the anterior border of the ramus and apposition of bone on the posterior border of the ramus. apposition of bone in the condyle. apposition of bone at the symphysis and posterior border of the ramus of the mandible. apposition of bone on the alveolar margin and lower border of the body of the mandible. 6. Which analysis uses the measurement of lower incisors to calculate dimensions of posterior teeth: Huckaba analysis Bolton’s analysis Nance analysis Moyers analysis 7. Collumn angle is increased in Class II Div 1 Class I Class II Div 2 Class III 8. According to Simon classification, movement of teeth towards Frankfort plane is called: Abstraction Retraction Attraction Protraction 9. Seventh key of normal occlusion: Palatal plane Crown angulation and inclination Bolton ratio Molar relation 10. Dolicocephalic face shows which of the following? Short and wide arches Narrow and wide arches Short and narrow arches Narrow and long arches 11. In long face individuals, who have excessive lower anterior facial height, the palatal plane is rotated Up posteriorly No rotation of the palatal plane Down anteriorly Down posteriorly 12. Facial plane is measured from nasion to: Gonion Basion Menton Pogonion 13. Which is the most stable and the most often used plane for the superimposition of lateral cephalogram for studying the growth of a child? Mandibular plane Frankfort plane Occlusal plane S-N plane 14. 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 to place patient on appropriate recall schedule. use a cervical headgear to reposition maxillary molars. disk the distal surfaces of primary mandibular second molars. refer for orthodontic consultation. 15. Which condition is appropriately treated at an early age? two deciduous molars nearly in crossbite posterior crossbite with a functional shift mild crowding of lower permanent incisors deviated midline in the absence of a functional shift 16. Class II malocclusion usually presents a _________________ facial profile: Prognathic Retrognathic Orthognathic Complex 17. Dontrix gauze is used to: Measure wire distortion Measure strength of wire Measure force Measure wire deformation 18. Katz classification is based on Premolar relation Molar relation Canine relation Incisor relation 19. With flush-terminal plane, permanent first molars will erupt: Initially in class II relationship Initially end-to-end relationship Initially in class III relationship Initially in class I relationship 20. Vertical height of face is measured by: All of the above Will’s gauge Boos gauge Boyle gauge Loading … Question 1 of 20
