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

In orthodontic assessment, what does overjet measure between the incisors?

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

The answer and the reasoning

C. Horizontal distance between upper and lower incisors

Overjet measures the horizontal projection of upper incisors beyond lower incisors and differs from overbite, which is vertical overlap.

Option by option

  • A. Vertical overlap of incisors

    Vertical overlap is overbite.

  • B. Distance from tooth root to sinus

    Sinus distance is radiographic anatomy.

  • C. Horizontal distance between upper and lower incisors (correct)

    Correct: overjet is horizontal incisor relationship.

  • D. Width of periodontal pocket

    Pocket depth is periodontal measure.

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 C, Horizontal distance between upper and lower incisors. Overjet measures the horizontal projection of upper incisors beyond lower incisors and differs from overbite, which is vertical overlap.

Why is "Vertical overlap of incisors" not the answer?

Vertical overlap is overbite.

Why is "Distance from tooth root to sinus" not the answer?

Sinus distance is radiographic anatomy.

Why is "Width of periodontal pocket" not the answer?

Pocket depth is periodontal measure.

What concept does this question test?

It tests Orthodontics in Dentistry. The correct option holds because: Correct: overjet is horizontal incisor relationship.

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.