Baker"s anchorage is a type of 1) Intramaxillary anchorage 2) Intermaxillary anchorage 3) Extraoral anchorage 4) Muscular anchorage
OrthodonticsAnswer: 2
When a permanent tooth emerges clinically how much of root structure is most likely to have developed 1) 1/3 2) 2/3 3) 100 % 4) No reaction at all
OrthodonticsAnswer: 2
A helix is placed for 1) Activation 2) Increasing the flexibility and range 3) Esthetics 4) Retention
OrthodonticsAnswer: 2
Removal of 7/7 in preference is indicated in 1) Mild class II div I class 2) In adult patients 3) When 8/8 are congenitally absent 4) When 6/6 are inclined distally
OrthodonticsAnswer: 1
A primary second molar becomes ankylosed most commonly 1. During root formation 2. During physiological root resorption 3. Due to failure of alveolar bone of tooth to grow 4. All of the above