Preventive dentistry: 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.

Try it

Dentistry · Preventive dentistry

Sample item

How does fluoride most directly help prevent dental caries?

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

The answer and the reasoning

B. Promotes enamel remineralization and acid resistance

Fluoride promotes remineralization of early enamel lesions and makes mineral more resistant to acid dissolution; it complements plaque control, diet counseling, and routine dental care rather than replacing them.

Option by option

  • A. Eliminates the need for dietary counseling

    Frequent sugar exposure still increases caries risk despite fluoride.

  • B. Promotes enamel remineralization and acid resistance (correct)

    Correct: fluoride strengthens remineralization and acid resistance.

  • C. Replaces daily tooth brushing

    Mechanical plaque removal remains necessary.

  • D. Dissolves all dental plaque instantly

    Fluoride does not instantly dissolve mature plaque biofilm.

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, Promotes enamel remineralization and acid resistance. Fluoride promotes remineralization of early enamel lesions and makes mineral more resistant to acid dissolution; it complements plaque control, diet counseling, and routine dental care rather than replacing them.

Why is "Eliminates the need for dietary counseling" not the answer?

Frequent sugar exposure still increases caries risk despite fluoride.

Why is "Replaces daily tooth brushing" not the answer?

Mechanical plaque removal remains necessary.

Why is "Dissolves all dental plaque instantly" not the answer?

Fluoride does not instantly dissolve mature plaque biofilm.

What concept does this question test?

It tests Preventive dentistry in Dentistry. The correct option holds because: Correct: fluoride strengthens remineralization and acid resistance.

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 Preventive dentistry?

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.