How many bones form the mandible?

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Prepare for the City and Guilds Dental Nursing Exam. Study with flashcards and multiple-choice questions complete with hints and explanations. Ace your exam with confidence!

Multiple Choice

How many bones form the mandible?

Explanation:
The mandible is formed from two separate bone precursors on each side that fuse at the midline. This fusion occurs at the mandibular symphysis, so developmentally there are two bones that come together to form the mandible. In the adult, this fusion gives the mandible the appearance of a single bone, but embryologically it starts as two parts. That’s why the correct count is two. The other numbers don’t reflect how the mandible develops from two halves that join together.

The mandible is formed from two separate bone precursors on each side that fuse at the midline. This fusion occurs at the mandibular symphysis, so developmentally there are two bones that come together to form the mandible. In the adult, this fusion gives the mandible the appearance of a single bone, but embryologically it starts as two parts. That’s why the correct count is two. The other numbers don’t reflect how the mandible develops from two halves that join together.

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