Good contacts in primary teeth with lack of spacing predicts 1) Normal occlusion in premanent teeth 2) Crowding in permanent teeth 3) Anterior crossbite 4) Spaced permanent dentition
OrthodonticsAnswer: 2
Lip bumpers are used to move 1) Lower molars mesially 2) Lower molars distally 3) Upper incisors labially 4) Upper molars distally
OrthodonticsAnswer: 2
The ratio of skeletal: dental expansion obtained finally after rapid palatal expansion is 1) 4:1 2) 3:1 3) 2:1 4) 1:1
OrthodonticsAnswer: 4
Serial extraction should not be undertaken if there is 1) Crowding 2) Presence of ectopic eruption 3) Deep bite or open bite 4) None of these
OrthodonticsAnswer: 3
Tooth movement difficult to achieve 1) Intrusion and extrusion 2) Intrusion and translation 3) Tipping and rotation 4) Tipping and rotation
OrthodonticsAnswer: 2
If a succedaneous tooth fails to erupt, corresponding primary molar 1) Will resorb quickly 2) May remain untill 30 years 3) Will resorb and exfoliate as usual 4) Submerge in later life
OrthodonticsAnswer: 2
The midpalatal suture is most likely to open at which following age of expansion? 1) 18 years old 2) 13 years old 3) 25 years old 4) 28 years old
OrthodonticsAnswer: 2
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
