Oral hygiene: 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 · Oral hygiene

Sample item

What does dental floss principally clean?

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

The answer and the reasoning

B. Interproximal surfaces

The central Oral hygiene principle supports Interproximal surfaces; it is the answer that most directly explains the image finding, modality choice, or oral-health feature described.

Option by option

  • A. Tongue only

    Tongue only does not fit the stated oral hygiene context.

  • B. Interproximal surfaces (correct)

    Correct. Interproximal surfaces best matches the key information in this scenario.

  • C. Root canal

    Root canal may be used elsewhere but is not the strongest answer here.

  • D. Jaw joint

    Jaw joint is not supported by the imaging or dental clue provided.

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 B, Interproximal surfaces. The central Oral hygiene principle supports Interproximal surfaces; it is the answer that most directly explains the image finding, modality choice, or oral-health feature described.

Why is "Tongue only" not the answer?

Tongue only does not fit the stated oral hygiene context.

Why is "Root canal" not the answer?

Root canal may be used elsewhere but is not the strongest answer here.

Why is "Jaw joint" not the answer?

Jaw joint is not supported by the imaging or dental clue provided.

What concept does this question test?

It tests Oral hygiene in Dentistry. The correct option holds because: Correct. Interproximal surfaces best matches the key information in this scenario.

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 Oral hygiene?

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.