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NEETMDS- Orthodontics mcq
MDS PREP
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

Which of the following is the MOST common?



    1. Class III malocclusion
    2. Class II malocclusion
    3. Class I malocclusion
    4. Normal occlusion

Orthodontics Answer: 3

Supernumerary teeth in anterior region found commonly
1) Palatal and in between upper central incisors
2) Distal to upper central incisors at root level
3) Distal to lateral incisors at root level
4) None of the above
Orthodontics Answer: 1

"Torque" in orthodontics refers to
1) The change in mesiodistal inclination of teeth
2) The change in labiolingual inclination of teeth
3) The rotation of teeth
4) None of the above
Orthodontics Answer: 2

In a patient with competent lips together at rest, the lip line is opposite the tips of the upper incisors. The lip line is then described as
1) Average
2) High
3) Incomplete
4) Low
Orthodontics Answer: 4

Which of the following is not true of lingual appliance
1) It is used in deep bite cases
2) Both the principles of straight wire and differential arch wire are used
3) Highly aesthetic
4) Bonding procedure is technique sensitive
Orthodontics Answer: 1

Lag phase of tooth movement is due to time taken for
1) Formation of new bone
2) Resorption of bone
3) Removal of hyalinised tissue
4) Gingival fibres to adjust
Orthodontics Answer: 3

Following are "essential diagnostic criteria" according to Graber except
1) Case history
2) Facial photographs
3) Periapical X-rays
4) Lateral cephalograms
Orthodontics Answer: 4

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