Community dentistry: Knutson technique: 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 · Community dentistry: Knutson technique

Sample item

A preventive programme applies 2 percent sodium fluoride to the teeth after prophylaxis, in a series of four weekly visits, repeated at intervals during childhood. Which technique is this?

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

The answer and the reasoning

D. Knutson technique

The Knutson technique is a series of four topical applications of 2 percent sodium fluoride at weekly intervals, given after a prophylaxis, and it is repeated at certain ages during childhood. The Nalgonda technique is for defluoridation, and the Fones and Bass methods are toothbrushing techniques.

Option by option

  • A. Fones method

    The Fones method is a circular toothbrushing technique for young children.

  • B. Nalgonda technique

    The Nalgonda technique removes excess fluoride from drinking water.

  • C. Bass method

    The Bass method is a sulcular toothbrushing technique.

  • D. Knutson technique (correct)

    Correct. Four weekly applications of 2 percent sodium fluoride form the Knutson technique.

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 D, Knutson technique. The Knutson technique is a series of four topical applications of 2 percent sodium fluoride at weekly intervals, given after a prophylaxis, and it is repeated at certain ages during childhood.

Why is "Fones method" not the answer?

The Fones method is a circular toothbrushing technique for young children.

Why is "Nalgonda technique" not the answer?

The Nalgonda technique removes excess fluoride from drinking water.

Why is "Bass method" not the answer?

The Bass method is a sulcular toothbrushing technique.

What concept does this question test?

It tests Community dentistry: Knutson technique in Dentistry. The Nalgonda technique is for defluoridation, and the Fones and Bass methods are toothbrushing techniques.

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 Community dentistry: Knutson technique?

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.