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NEETMDS- Orthodontics mcq
MDS PREP
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
Orthodontics Answer: 2

Which of the following cephalometric analyses reveals the severity of anteroposterior jaw dysplasia?
1) Down"s analysis
2) Steiner analysis
3) Wits analysis
4) All of the above
Orthodontics Answer: 4

The six keys to normal occlusion were introduced by
1) Dewey
2) Andrews
3) Tweed
4) None of the above
Orthodontics Answer: 2

Lip bumper not used in the treatment of
1) Lip biting
2) Distalisation of molars
3) Nail biting
4) Lip exercises
Orthodontics Answer: 3

Blanch test is used in diagnosis of
1) Abnormal frenal attachments
2) Pseudo class III
3) Tongue thrusting
4) Thumb sucking
Orthodontics Answer: 1

Earlier closure of a suture is called
1) Synchondrosis
2) Ankylosis
3) Synostosis
4) Epiphysis
Orthodontics Answer: 3

Premaxilla is derived from
1) Maxillary protuberance
2) Palatine bones
3) Frontonasal process
4) Medial process
Orthodontics Answer: 3

When primary lower first and second molars lost in 8-year-old patient, space is best maintained by
1) Multiple space maintainer
2) A functional appliance
3) Bilateral non-functional space maintainers
4) Band and loop space maintainer
Orthodontics Answer: 3

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