#3 Module Questions

Question 1

In which ways do American and European cephs differ?

Answer 1

The direction the patient faces

Distance from x-ray source to patient

Question 2

What are the major goals of cephalometric analysis?

Answer 2

Establishing the relationship of teeth to their jaw, the relationship of the jaws to the cranial base, and the relationship of the jaws to each other.

Question 3

What is the major goal of orthodontic treatment?

Answer 3

Correcting the patient’s malocclusion in a way that provides maximum benefit to the patient/

Question 4

Is it possible to create a lateral ceph from a cone beam CT image?

Answer 4

Yes

Question 5

Does a CBCT image have much more information than a standard ceph?

Answer 5

Yes

Question 6

What is the preferred modern ceph technique?

Answer 6

Natural Head Position (NHP)

Question 7

What are characteristics of a good ceph landmark?

Answer 7

• It can be accurately identified on a ceph
• It represents a known part of one of the major function units.
• Landmarks aren’t restricted to teeth

Question 8

What landmark is found at the junction of the front-nasal suture?

Answer 8

Nasion

Question 9

What landmark is found at the base of the contour above the chin?

Answer 9

point B

Question 10

How do you locate the landmark s (sella)?

Answer 10

center of space created by the depression in the sphenoid bone

Question 11

How do you locate the landmark PNS?

Answer 11

end of the palatal bone contour