Dental radiography: 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 · Dental radiography

Sample item

Why should dental radiographs be prescribed only after a clinical question has been identified?

ABecause radiographs can never show cariesBBecause every patient needs the same radiographCTo justify radiation exposure and select the most useful viewDTo avoid documenting findings

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

The answer and the reasoning

C. To justify radiation exposure and select the most useful view

Dental radiographs use ionizing radiation and should be justified by a specific diagnostic need, then optimized to answer that question with the lowest practical exposure and appropriate technique.

Option by option

A. Because radiographs can never show caries
Radiographs can help detect caries and other dental pathology.
B. Because every patient needs the same radiograph
Radiographic selection should be individualized to the clinical question.
C. To justify radiation exposure and select the most useful view (correct)
Correct: clinical justification guides safe, useful dental imaging.
D. To avoid documenting findings
Imaging findings should be documented and communicated appropriately.

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.

Questions about this Dentistry question

What is the answer to this Dentistry question?

The best answer is C, To justify radiation exposure and select the most useful view. Dental radiographs use ionizing radiation and should be justified by a specific diagnostic need, then optimized to answer that question with the lowest practical exposure and appropriate technique.

Why is "Because radiographs can never show caries" not the answer?

Radiographs can help detect caries and other dental pathology.

Why is "Because every patient needs the same radiograph" not the answer?

Radiographic selection should be individualized to the clinical question.

Why is "To avoid documenting findings" not the answer?

Imaging findings should be documented and communicated appropriately.

What concept does this question test?

It tests Dental radiography in Dentistry. The correct option holds because: Correct: clinical justification guides safe, useful dental imaging.

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 Dental radiography?

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.