Periodontal disease: 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 · Periodontal disease

Sample item

What is dental plaque?

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

The answer and the reasoning

D. Biofilm on tooth surface

This item reviews Periodontal disease; Biofilm on tooth surface is the best answer because it directly matches the imaging or dental finding described.

Option by option

  • A. Sterile enamel

    Sterile enamel does not fit the stated pattern.

  • B. Bone tissue

    Bone tissue is plausible but not the single best answer.

  • C. Salivary gland

    Salivary gland is not supported by the scenario.

  • D. Biofilm on tooth surface (correct)

    Correct. Biofilm on tooth surface fits the key clinical or imaging feature.

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 D, Biofilm on tooth surface. This item reviews Periodontal disease; Biofilm on tooth surface is the best answer because it directly matches the imaging or dental finding described.

Why is "Sterile enamel" not the answer?

Sterile enamel does not fit the stated pattern.

Why is "Bone tissue" not the answer?

Bone tissue is plausible but not the single best answer.

Why is "Salivary gland" not the answer?

Salivary gland is not supported by the scenario.

What concept does this question test?

It tests Periodontal disease in Dentistry. The correct option holds because: Correct. Biofilm on tooth surface fits the key clinical or imaging feature.

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 Periodontal disease?

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.