The role of pulp in resorption of primary teeth 1) Passive participant 2) Active participant 3) Resists resorption 4) Activates resorption
OrthodonticsAnswer: 1
All of the following increase anchorage resulting in tooth movement except 1) Attaching more number of tooth units 2) Use of extraoral forces 3) Use of rectangular slots in fixed appliances 4) Reciprocating maxilla against mandible
OrthodonticsAnswer: 3
The type of forces exerted by removable functional appliance 1) Light continuous 2) Heavy continuous 3) Intermittent 4) Interrupted
OrthodonticsAnswer: 3
Stationary anchorage refers to 1) Teeth that are not free to tilt 2) Anchorage provided extraorally 3) Teeth that are stationary 4) Anchorage provided intermaxillary elastics
OrthodonticsAnswer: 1
The most damaging feature of class II div 2 and most consistent feature of class II div II is 1) Deep bite 2) Crowding of maxillary teeth 3) Class-II molar relation 4) Buccally placed canines
OrthodonticsAnswer: 1
Primate spaces in deciduous dentition 1) Are unusual and occur distal to upper canine and mesial to lower canine 2) Are normal finding and occur distal to upper canine and mesial to lower canine 3) Are normal finding and occur mesial to upper canine and distal to lower canine 4) Both B and C
OrthodonticsAnswer: 4
Most cranial sutures close by 1) 2 years 2) 3 years 3) 5 years 4) 8 years
OrthodonticsAnswer: 3
Which of the following is not true of a fixed appliance 1) Economical 2) Rotation and extrusion movements are possible 3) Patient cooperation is not required 4) Tipping and bodily movement are possible