1. Which of the following is correct: Genetics has equal influence on all types of jaw dysplasias Vertical jaw dysplasias are more genetically determined than other dysplasias Transverse jaw dysplasias are more genetically determined than other dysplasias Anteroposterior jaw dysplasias are more genetically determined than other dysplasias 2. Foetus develops infantile swallow and suckling by: 32 weeks IU life At birth After birth 28th week of IU life 3. Which of the following soft tissues of the oro facial region mature first: Lips Posterior 1/3rd of tongue All soft tissues mature simultaneously Tip of tongue 4. Teeth with root fracture cannot be moved orthodontically for: 6 months 1 year 3 months 1 month 5. ADA number for orthodontic wire is 28 30 25 32 6. A 6 year old patient has a larger than average diastema between the maxillary central incisors. The radiographic examination shows a mesiodens. In order to manage the diastema, you should extract the mesiodens after its complete eruption. only if it develops into a cystic lesion once the patient has reached the age of 12. as soon as possible. 7. Appearance of ulnar sesamoid bones in hand occurs: Birth At the end of pubertal spurt At the prepubertal spurt At onset of pubertal growth spurt 8. The most common cause of malocclusion with a Class I molar relationship is a thumbsucking habit. tooth size and jaw size discrepancy. crossbite in the posterior segments. improper eruption of permanent first molars. 9. Increased ANB angle signifies: Retrognathic maxilla Retrognathic mandible. Bimaxillary protrusion Prognathic mandible 10. To standardize the magnification during recording of a lateral cephalogram for a child, the position of the sensor/film should be Consider head radius as 6 inches and add to 60 inches between ilm and source of radiation Distance between sensor and source should be 60 inches Distance between the sensor and source of radiation should be kept at 70 inches Consider head radius as 9 inches and add to 60 inches between film and source of radiation 11. Maximum Lip thickness is seen at what age in males: 18 years 21 years 16 years 10 years 12. 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 13. For planning treatment in a patient with facial asymmetry requiring orthognathic surgery, which of the following is required: OPG Model analysis Grummons analysis CBCT 14. Apertognathia means: Deep bite Reversed overjet Open bite Increased overjet 15. A clinical diagnostic indication of palatal impaction of maxillary permanent canines does NOT include delayed exfoliation of primary canines. lack of canine buccal bulges in a 10 year old patient. midline central diastema. proclined and laterally flared permanent lateral incisors. 16. Alveolar bone is undergoing remodelling through the primary dentition. until the end of mixed dentition. throughout life. until the complete eruption of permanent teeth. 17. Thumb sucking in child leads to change in facial profile (dental and skeletal changes), if the child performs the habit at least for how much time: 6 hrs daily Not related to duration 4 hrs daily 2 hrs daily 18. Diagnostic aid used for measuring transverse discrepancy and vertical facial dimensions Occipitomental PA ceph Lateral ceph OPG 19. Prior to the correction of a one tooth anterior crossbite, the principle factor to consider is the adequacy of mesio-distal space. morphology of the anterior teeth. sequence of eruption of the permanent dentition. developmental age of the patient. 20. Generalized Anterior crossbite in the primary dentition indicates: A normal maxillo-mandibular relation A developing Class II malocclusion A dental malrelation A developing Class III malocclusion Loading … Question 1 of 20
