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NEETMDS- Orthodontics mcq
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If a edgewise bracket is not pressed completely on to a tooth on the mesial side while bonding, the side effect would be
1) Intrusion of tooth
2) Extrusion of tooth
3) Rotation of tooth
4) Breakage of bracket
Orthodontics Answer: 3

Which line is used to represent the anterior cranial base?



  1. Frankfort Horizontal

  2. Gonion-Pogonion

  3. Nasion-Pogonion

  4. Sella-Nasion
Orthodontics Answer: 4

The term "serial extraction" was coined and introduced by
1) Kjellgren
2) Robert Bunon
3) Joseph Fox
4) Hotz
Orthodontics Answer: 1

Developing crossbites are treated by using
1) Z sping
2) Tongue blade
3) Crossbite elastics
4) Bite plane
Orthodontics Answer: 2

In Begg"s technique, extraction spaces are closed in
1) Stage I
2) Stage II
3) Stage III
4) None of the above
Orthodontics Answer: 2

A bimax protrusion is
1) Spliting and protrusion of maxilla into two halves
2) Forward placed upper and lower dental arches on normal skeletal bases
3) Forward placed upper dental arch and skeletal base
4) Forward placed lower dental arch and skeletal base
Orthodontics Answer: 2

A girl of 10 years reports for examination immediately after exfoliation of second primary molar. She has full complement set of teeth in good occlusion. Line of treatment
1) No treatment, only observation
2) Place a lingual arch space maintainer
3) Place a distal shoe space after radiographic findings
4) Treatment depends upon the radiographic findings
Orthodontics Answer: 4

Most common anomalies related to tooth number in descending order is
1) Missing permanent, extra permanet, extra primary and missing primary
2) Missing primary, extra permanet, extra primary and missing primary
3) Both of the above
4) None of the above
Orthodontics Answer: 1

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