National Dental Examining Board of Canada (NDEB) Practice Exam

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How to estimate bone age using hand-wrist radiograph?

  1. By measuring the length of the bones

  2. Presence/absence of osseous centers in particular bones & compare with standards

  3. By the density of the bones

  4. By the size of the wrist joint

The correct answer is: Presence/absence of osseous centers in particular bones & compare with standards

Estimating bone age using hand-wrist radiograph involves examining the presence or absence of osseous centers in particular bones and comparing them with established standards. This method takes into account the development and appearance of key bone structures and is more accurate than simply measuring the length of bones or the density of bones. Additionally, the size of the wrist joint alone is not a reliable indicator of bone age.

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