Purpose of the post treatment retention of an orthodontic case is 1) To allow bony changes 2) To prevent tongue thrusting 3) To encourage the space closure 4) To let the patient get used to the new functional position of the teeth
OrthodonticsAnswer: 4
The number of sites examined to assess the stages of bone maturation in Fishman"s skeletal maturation index are 1) 4 2) 5 3) 6 4) 7
OrthodonticsAnswer: 1
Straight wire appliance is developed by 1) Angle 2) Andrew 3) Begg 4) Pancherz
OrthodonticsAnswer: 2
Which of the following is related to occipital anchorage 1) Intraoral force 2) Tipping a tooth 3) Extraoral force 4) Bodily movement of anchor
OrthodonticsAnswer: 3
The type of forces exerted by removable functional appliance 1) Light continuous 2) Heavy continuous 3) Intermittent 4) Interrupted
OrthodonticsAnswer: 3
The two blocks in the twin block functional appliance are angulated at 1) 45 degrees 2) 70 degrees 3) 65 degrees 4) 80 degrees
OrthodonticsAnswer: 1
Spacing occurs between anterior when canines are moved into premolar extraction space by a removable appliance 1) If the interdental spaces of acrylic are trimmed away 2) Because of lip pressure 3) If there is anterior bite plane 4) If buccal canine retractors are used
OrthodonticsAnswer: 1
Dolicocephalic facial pattern is associated with 1) Borad dental arch 2) Long and narrow dental arch 3) Paroboloid dental arch 4) Square dental arch
