Complicated cases are most often treated by fixed appliances than removable appliance because 1) They apply heavy forces 2) Wide range of tooth movements possible 3) Require less anchorage 4) They cannot be removed by patients
OrthodonticsAnswer: 2
Average angle of convexity 1) 85 2) 90 3) 59 4) None of the above
OrthodonticsAnswer: 4
Angle SNA is used to 1) Relate maxilla to mandible 2) Relate maxilla to cranial base 3) Relate mandible to maxilla 4) None of the above
OrthodonticsAnswer: 2
It is no longer possible to apply the principles of interceptive orthodontics with the eruption of which tooth 1) Permanent first molar 2) Permanent second molar 3) Permanent canine 4) Permanent incisors
OrthodonticsAnswer: 2
Placing the beaks into the furcation of primary second molar during extraction in 6-year-old child is contraindicated because 1) Proximity of succedaneous tooth buds 2) Of possibility of fracture of crowns 3) Of possibility of fracture of facial plates 4) Of possibility of fracture of lingual plates
OrthodonticsAnswer: 1
In class II, div II cases lower lip line at rest is 1) Just touching tips of upper incisors 2) At middle thirds of upper incisors 3) Above middle third of upper incisors 4) At the incisors tip of lower incisors
OrthodonticsAnswer: 3
Greatest amount of cranial growth occurs by 1) Birth to five years 2) 5-6 years 3) 6-7 years 4) 7-10 years
OrthodonticsAnswer: 1
The following dimension of face at birth is close to adult size 1) Width 2) Depth 3) Height 4) Same all of the above
