Endodontics: 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 · Endodontics

Sample item

What usually causes pulp necrosis?

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

The answer and the reasoning

B. Deep caries or trauma

This item reviews Endodontics; Deep caries or trauma is the best answer because it directly matches the imaging or dental finding described.

Option by option

  • A. Fluoride

    Fluoride does not fit the stated pattern.

  • B. Deep caries or trauma (correct)

    Correct. Deep caries or trauma fits the key clinical or imaging feature.

  • C. Healthy gingiva

    Healthy gingiva is not supported by the scenario.

  • D. Brushing

    Brushing is plausible but not the single best answer.

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, Deep caries or trauma. This item reviews Endodontics; Deep caries or trauma is the best answer because it directly matches the imaging or dental finding described.

Why is "Fluoride" not the answer?

Fluoride does not fit the stated pattern.

Why is "Healthy gingiva" not the answer?

Healthy gingiva is not supported by the scenario.

Why is "Brushing" not the answer?

Brushing is plausible but not the single best answer.

What concept does this question test?

It tests Endodontics in Dentistry. The correct option holds because: Correct. Deep caries or trauma 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 Endodontics?

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.