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NEETMDS- Orthodontics mcq
MDS PREP
Which is a new slow type palatal expander
1) NiTi expander
2) Hyrax expander
3) Quad helix
4) Molar rotator
Orthodontics Answer: 1

Diastema is often the result of
1) Tongue thrusting
2) Finger sucking
3) Mouth breathing
4) None of the above
Orthodontics Answer: 1

Tooth movement easily accomplished by removable appliances
1) Tipping
2) Bodily
3) Torquing
4) Expansion
Orthodontics Answer: 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
Orthodontics Answer: 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
Orthodontics Answer: 4

Relapsing of rotated teeth can be prevented by
1) Percision (or) supracrestal fibrotomy
2) Derotation
3) Overrotation
4) All of the above
Orthodontics Answer: 1

Height of maxilla mainly increased by
1) Sutural growth
2) Alveolar growth
3) Surface apposition at tuberosity
4) Surface apposition on anterior surface
Orthodontics Answer: 2

X-rays were discovered by
1) Madam Curie
2) Roentgen
3) Rutherford
4) Becquerel
Orthodontics Answer: 2

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