National Dental Examining Board of Canada (NDEB) Practice Exam

In cephalometrics, which is the most stable point in the growing skull?

1. Nasion

2. Sella turcica

3. Gonion

4. Menton

The correct answer is: Sella turcica

Cephalometrics is a method used to measure facial structures and their growth in relation to the skull. In this case, the question is asking about the most stable point in the growing skull. The answer is B Sella turcica. This is because the sella turcica is a bony saddle-shaped structure on the skull that holds and protects the pituitary gland, which controls the release of hormones important for growth and development. The other options, such as A: Nasion, C: Gonion, and D: Menton, are all important points in craniofacial growth but are not as stable as the sella turcica. Nasion is the junction of the nose and forehead, Gonion is the lowest point of the angle of the lower jaw, and Menton is the tip of the chin. These points can be affected by changes in