The two blocks in the twin block functional appliance are angulated at 1) 45 degrees 2) 70 degrees 3) 65 degrees 4) 80 degrees
OrthodonticsAnswer: 1
Angle"s class II malocclusions occur in India is 1) 60 % of population 2) 30 % of population 3) 5 % of population 4) Less than 5 % of population
OrthodonticsAnswer: 2
In a child of age 7 years, permanent central incisor is trying to erupt while primary tooth is still firm in place. The course of treatment 1) Luruate the primary tooth to facillitate its exfoliation 2) Extract the primary tooth to facilliate the eruption of permanent tooth 3) All of the above 4) None of the above
OrthodonticsAnswer: 2
Main growth site in mandible 1) Gonial angle 2) Body of mandible 3) Condylar cartilage 4) Coronoid process and ramus
OrthodonticsAnswer: 3
Which of the cephalometric parameters is used to diagnose a long face syndrome pattern? 1) ANB angle 2) Jaraback ratio 3) SNA angle 4) Saddle angle
OrthodonticsAnswer: 3
Headgear when properly constructed can move a permanent maxillary first molar crown 1) Laterally 2) Vertically 3) Mesiodistally 4) All of the above
OrthodonticsAnswer: 4
SNB angle describes the relationship of the 1) Maxilla to the cranial base 2) Mandible to the cranial base 3) Maxilla to the mandible 4) All of the above
OrthodonticsAnswer: 2
The three landmarks which determine skeletal convexity are 1) Glabella, prosthion and supramentale 2) Nasion, sella and articulare 3) Nasion, subspinale and pogonion 4) None of the above