At what age child is expected to have 12 primary teeth and 12 erupted permanent teeth 1) 4.5 years 2) 6.5 years 3) 8.5 years 4) 11.5 years
OrthodonticsAnswer: 3
Which of the following mechanical separators can be placed just few hours before banding 1) Spring 2) Elastic 3) Dumbell 4) Brass wire
OrthodonticsAnswer: 2
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
Decreased interincisal angle indicates 1) Retrusion of teeth 2) Protrusion of teeth 3) Vertical overlap 4) Horizontal overlap
OrthodonticsAnswer: 2
First evidence of calcification of IInd premolar on radiographs is at 1. Birth 2. 3-4 months 3. 1.5 to 2.5 years 4. After 3 years
OrthodonticsAnswer: 3
Appliance which brings orthopaedic movements in children and orthodontic movements in adults 1) Hyrax 2) Biedermann 3) Quadhelix 4) Bimler
OrthodonticsAnswer: 3
Which of the following is not a procedure of preventive orthodontics 1) Topical fluoride applications 2) Serial extractions 3) Lip guard 4) Thumb sucking correction
OrthodonticsAnswer: 2
Who has classified malocclusion based on aetiology 1) Angle 2) Lischer 3) Benett 4) Dewey
