Orthodontics: 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

Sample item

Which habit can contribute to anterior open bite in children?

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

The answer and the reasoning

A. Prolonged thumb sucking

Persistent thumb sucking can alter incisor position and vertical development, contributing to anterior open bite and increased overjet.

Option by option

  • A. Prolonged thumb sucking (correct)

    Correct: prolonged digit sucking can change occlusion.

  • B. Using fluoride toothpaste

    Fluoride prevents caries.

  • C. Chewing fibrous food

    Fibrous food does not cause open bite.

  • D. Regular dental attendance

    Attendance does not create malocclusion.

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.

More Dentistry questions

Questions about this Dentistry question

What is the answer to this Dentistry question?

The best answer is A, Prolonged thumb sucking. Persistent thumb sucking can alter incisor position and vertical development, contributing to anterior open bite and increased overjet.

Why is "Using fluoride toothpaste" not the answer?

Fluoride prevents caries.

Why is "Chewing fibrous food" not the answer?

Fibrous food does not cause open bite.

Why is "Regular dental attendance" not the answer?

Attendance does not create malocclusion.

What concept does this question test?

It tests Orthodontics in Dentistry. The correct option holds because: Correct: prolonged digit sucking can change occlusion.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. 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?

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.