Orthodontics: extraoral traction: practice question

A Dentistry question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Dentistry · Orthodontics: extraoral traction

Sample item

A growing child has a skeletal Class II pattern with a prognathic maxilla and normal mandible. Which appliance restrains maxillary growth?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

A. Cervical or high-pull headgear

Headgear applies distal force to the maxilla and its molars, restricting forward growth. A face mask does the reverse in Class III with maxillary retrusion.

Option by option

  • A. Cervical or high-pull headgear (correct)

    Correct. Headgear delivers distal force to the maxilla.

  • B. Twin block only

    A twin block mainly postures the mandible forward.

  • C. Face mask

    A face mask protracts the maxilla in Class III.

  • D. Chin cup

    A chin cup restrains the mandible.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this Dentistry question

What is the answer to this Dentistry question?

The best answer is A, Cervical or high-pull headgear. Headgear applies distal force to the maxilla and its molars, restricting forward growth.

Why is "Twin block only" not the answer?

A twin block mainly postures the mandible forward.

Why is "Face mask" not the answer?

A face mask protracts the maxilla in Class III.

Why is "Chin cup" not the answer?

A chin cup restrains the mandible.

What concept does this question test?

It tests Orthodontics: extraoral traction in Dentistry. A face mask does the reverse in Class III with maxillary retrusion.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Orthodontics: extraoral traction?

Learn the dental formula, eruption ages and tooth structure once, as tables. Then use the flashcards and the other Dentistry questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.