If arch length space discrepancy is more than 10 mm, it indicated, for correction of crowding 1) Definite extraction of some permanent teeth 2) Myofunctional therapy should be carried 3) Only fixed appliance therapy is indicated 4) Expansion of the arch should be carried out
OrthodonticsAnswer: 1
Stiffness of orthodontic wire depends upon 1) Length of wire 2) Diameter of wire 3) Alloy composition 4) All of the above
OrthodonticsAnswer: 4
Gennifer at 4 years got her lower 2nd molar extracted due to caries, the possible line of treatment is 1) Distal shoe space maintainer 2) Band and loop between primary 1st molar and permanent 1st molar 3) Removable partial denture 4) No active treatment is necessary
OrthodonticsAnswer: 1
A localised gingival recession between two teeth in otherwise healthy 7-year-old child may be due to 1) Abnormal oral habit 2) Chronic gingivitis 3) Herpes simplex 4) ANUG
OrthodonticsAnswer: 1
Which of the following canine retractors is least effective 1) U-loop canine retractor 2) Helical canine retractor 3) Palatal canine retractor 4) Buccal canine retractor
OrthodonticsAnswer: 1
The following features are noted in a patient. The mesiobuccal cusp of right upper first molar is aligning in the mesiobuccal groove of right lower first molar. The distobuccal cusp of left upper first molar is aligning in the mesiobuccal groove of left lower first molar. The upper incisors are retroclined. You would like to classify it as 1) Angle"s class I div I subdivision 2) Angle"s class II div I subdivision 3) Angle"s class II div II subdivision 4) Angle"s class III div I subdivision
OrthodonticsAnswer: 3
Patient ages 8 years with skeletal anterior open bite is treated with 1) Posterior bite plane 2) Frankel appliance with high pull headgear 3) Posterior osteotomy to reposition posterior segment 4) Box elastics with fixed appliance
OrthodonticsAnswer: 2
X-rays were discovered by 1) Madam Curie 2) Roentgen 3) Rutherford 4) Becquerel
