Most important factor in planning for a space maintainer 1) Age of child 2) Amount of bone covering erupting permanent tooth 3) Stage of development of permanent tooth 4) Economical factors
OrthodonticsAnswer: 2
Class III and a pseudo class III malocclusion can be differentiated by 1) Degree of crossbite 2) The presence of forward shift of mandible in pseudo class III during closing 3) Molar relation and canine relationship 4) None of the above
OrthodonticsAnswer: 2
After age of six, the greatest increase in size of mandible occurs 1) Distal to first molar 2) Along the lower border of mandible 3) At the symphysis 4) At the canine region
OrthodonticsAnswer: 1
Most common anomalies related to tooth number in descending order is 1) Missing permanent, extra permanet, extra primary and missing primary 2) Missing primary, extra permanet, extra primary and missing primary 3) Both of the above 4) None of the above
OrthodonticsAnswer: 1
Main drawback of cervical headgear therapy 1) Extrusion of upper molars 2) Intrusion of upper molars 3) Extrusion of lower molars 4) Intrusion of lower molars
OrthodonticsAnswer: 1
A midline diastema of 1.5 mm between central incisors of a 10-year-old child is noted. Fibrous frenum is present. Treatment of choice 1) Frenectomy 2) Orthodontic closure 3) No treatment observe until permanent maxillary canine erupts 4) Composite veneer
OrthodonticsAnswer: 3
If "E" are lost due to caries at 8 years in a crowded mouth, "5"s will probably 1) Impact 2) Deflected palatally 3) Deflected buccally 4) Fail to erupt
OrthodonticsAnswer: 2
To regain arch length in anterior segment by moving incisors labially 1) Cephalometric analysis have to be made before taking up treatment 2) Use tongue blade therapy 20 times/day 3) Use a "Z" spring with Hawley"s retainer 4) Use an anterior bite plane
