Eruption of permanent maxillary second molar before maxillary second premolar is 1) Unusual and undsirable 2) Unusual and desirable 3) Unusual but desirable 4) Usual but undesirable
OrthodonticsAnswer: 1
The role of pulp in resorption of primary teeth 1) Passive participant 2) Active participant 3) Resists resorption 4) Activates resorption
OrthodonticsAnswer: 1
The bionator is a 1) Fixed appliance 2) Functional appliance 3) Muscle exercise 4) Positioner
OrthodonticsAnswer: 2
In an individual whose mandible is growing less forward than expected, the lower incisors will probably be inclined 1) Backward 2) Forward 3) Vertically over basal bone 4) No relation at all
OrthodonticsAnswer: 2
Identify the wrong statement regarding lateral cephalogram 1) Right side is towards the tube 2) Left side is towards cassette 3) Left side of face is viewed clearly 4) Right side of face is viewed clearly
OrthodonticsAnswer: 4
A boy aged 14 years attends with a class I malocclusion. Moderate crowding in upper and lower anterior segment, primary upper canines retained. Radiographs show erupting permanent upper canines. Treatment is 1) Wait until upper primary canines shed naturally 2) Extract upper primary canines only and wait until permanent canine erupt 3) Extract upper "C" & "4"s & lower "4"s & maintain space for eruption of upper permanent canines 4) None of the above
OrthodonticsAnswer: 3
All of the following directly result from cervical pull headgear therapy except 1) Opening of bite 2) Distal movement of molars 3) Inhibition of forward growth of maxilla 4) Increased the forward growth of mandible
OrthodonticsAnswer: 4
Ugly duckling stage is characterised by all of the following except 1) Disto angular inclination of incisors 2) Possible increase in overjet 3) Mandibular lateral incisors lingual to central incisors 4) Deep bite
