Dental radiology: 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 radiology

Sample item

Before placing an implant near the mandibular canal, which imaging method provides three-dimensional bone and nerve-location assessment?

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

The answer and the reasoning

B. Cone-beam computed tomography

Cone-beam computed tomography provides three-dimensional assessment of alveolar bone and nearby vital structures, supporting implant planning when additional spatial information is clinically indicated.

Option by option

  • A. Panoramic radiograph

    A panoramic radiograph is useful for overview but gives less three-dimensional detail.

  • B. Cone-beam computed tomography (correct)

    Correct: CBCT gives three-dimensional implant-site and mandibular-canal information.

  • C. Cephalogram

    Cephalograms are mainly orthodontic skeletal images.

  • D. Occlusal film only

    Occlusal views do not provide the required three-dimensional implant planning information.

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.

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Questions about this Dentistry question

What is the answer to this Dentistry question?

The best answer is B, Cone-beam computed tomography. Cone-beam computed tomography provides three-dimensional assessment of alveolar bone and nearby vital structures, supporting implant planning when additional spatial information is clinically indicated.

Why is "Panoramic radiograph" not the answer?

A panoramic radiograph is useful for overview but gives less three-dimensional detail.

Why is "Cephalogram" not the answer?

Cephalograms are mainly orthodontic skeletal images.

Why is "Occlusal film only" not the answer?

Occlusal views do not provide the required three-dimensional implant planning information.

What concept does this question test?

It tests Dental radiology in Dentistry. The correct option holds because: Correct: CBCT gives three-dimensional implant-site and mandibular-canal information.

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 radiology?

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.