Tooth development and dental anatomy: taurodontism: 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 · Tooth development and dental anatomy: taurodontism

Sample item

A radiograph of a molar shows an elongated, rectangular pulp chamber with the furcation placed close to the apex. Which condition is this shape classically associated with?

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

The answer and the reasoning

D. Klinefelter syndrome

Taurodontism describes bull-like molars with an enlarged pulp chamber and short roots. It is associated with Klinefelter syndrome, among other syndromes.

Option by option

  • A. Cystic fibrosis

    Cystic fibrosis is associated with enamel defects and tetracycline-like staining in treated patients.

  • B. Turner syndrome

    Turner syndrome is more linked with other dental features and not taurodontism.

  • C. Marfan syndrome

    Marfan syndrome is mainly associated with a high-arched palate.

  • D. Klinefelter syndrome (correct)

    Correct. Taurodontism is a recognised dental feature of Klinefelter syndrome.

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 D, Klinefelter syndrome. Taurodontism describes bull-like molars with an enlarged pulp chamber and short roots.

Why is "Cystic fibrosis" not the answer?

Cystic fibrosis is associated with enamel defects and tetracycline-like staining in treated patients.

Why is "Turner syndrome" not the answer?

Turner syndrome is more linked with other dental features and not taurodontism.

Why is "Marfan syndrome" not the answer?

Marfan syndrome is mainly associated with a high-arched palate.

What concept does this question test?

It tests Tooth development and dental anatomy: taurodontism in Dentistry. It is associated with Klinefelter syndrome, among other syndromes.

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 Tooth development and dental anatomy: taurodontism?

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.