Which is a new slow type palatal expander 1) NiTi expander 2) Hyrax expander 3) Quad helix 4) Molar rotator
OrthodonticsAnswer: 1
Diastema is often the result of 1) Tongue thrusting 2) Finger sucking 3) Mouth breathing 4) None of the above
OrthodonticsAnswer: 1
Tooth movement easily accomplished by removable appliances 1) Tipping 2) Bodily 3) Torquing 4) Expansion
OrthodonticsAnswer: 1
The time required for extrusion of a root by orthodontic treatment is 1) 1 week 2) 4 to 8 weeks 3) 2 to 4 weeks 4) 8 to 12 weeks
OrthodonticsAnswer: 3
The following type of anchorage is utilized in closure of midline diastema 1) Stationary anchorage 2) Simple anchorage 3) Reciprocal anchorage 4) All of the above
OrthodonticsAnswer: 4
Relapsing of rotated teeth can be prevented by 1) Percision (or) supracrestal fibrotomy 2) Derotation 3) Overrotation 4) All of the above
OrthodonticsAnswer: 1
Height of maxilla mainly increased by 1) Sutural growth 2) Alveolar growth 3) Surface apposition at tuberosity 4) Surface apposition on anterior surface
OrthodonticsAnswer: 2
X-rays were discovered by 1) Madam Curie 2) Roentgen 3) Rutherford 4) Becquerel