Deck 14: Radiography of the Temporomandibular Joint

Question 1

Which of the following is used for radiographing soft tissue?

A)Arthrography
B)Computed tomography conventional panoramic
C)Conventional panoramic
D)Conventional tomography

Answer 1

Arthrography

Question 2

The submentovertex projection can be used to view the TMJ from the axial plane.

Answer 2

True

Question 3

The major cause of TMJ disorders is the mandibular condyle.

Answer 3

False

Question 4

With a conventional panoramic projection,glenoid fossa and the condyle will be seen,but the articular disc will not be seen.

A)Both statements are true.
B)Both statements are false.
C)First statement is true,second is false.
D)First statement is false,second is true.

Question 5

If the panoramic image shows a pathologic process,a more advanced projection can be used to formulate the diagnosis.

A)Both statements are true.
B)Both statements are false.
C)First statement is true,second is false.
D)First statement is false,second is true.

Question 6

Complications may occur with which of the following procedures:

A)CT.
B)MRI.
C)arthrography.
D)a panoramic radiograph.

Question 7

Which of the following techniques will the articular disc be seen?

A)Computed tomography
B)Conventional panoramic
C)Conventional tomography
D)Magnetic resonance imaging

Question 8

If an image on a CT scan is radiopaque,what will the image appeal line on a magnetic resonance image.

A)Radiopaque
B)Radiolucent
C)Completely clear
D)Completely dark

Question 9

In TMJ radiography,it is preferable to take films in the open and closed positions.

Question 10

A conventional panoramic projection will show both the right and left joints in the:

A)axial plane.
B)lateral plane.
C)frontal plane.
D)cross-sectional plane.

Question 11

Identify the most common extraoral view used to examine the temporomandibular joint after the panoramic examination:

A)MRI.
B)skull projection.
C)transcranial projection.
D)submentovertex projection.

Question 12

All of the following is seen with conventional tomography EXCEPT one.Which one is the EXCEPTION?

A)Neck
B)Fossa
C)Articular disc
D)Head of the condyle

Question 13

On the average,the exposure time at 65 kV and 10 mA for a transcranial projection is:

A)7 to 10 impulses.
B)7 to 10 seconds.
C)7 to 15 impulses.
D)7 to 15 seconds.

Question 14

Positioning boards are used with transcranial techniques to allow how many exposures for each condyle?

A)Up to two
B)Up to three
C)Up to four
D)Up to five

Question 15

Computed tomography (CT scanning)enables viewing of an area in three planes.

Question 16

Images that are opaque on an image obtained by magnetic resonance imaging (MRI)have a low hydrogen density and a strong signal.

Question 17

When examining the TMJ,one disadvantage of computed tomography is that this type of scan does not include images of the:

A)articular disc.
B)articular eminence.
C)mandibular condyle.
D)external meatus of the ear.

Question 18

The anatomic components not visible on a conventional radiograph of the TMJ are the:

A)articular disc and the mandibular condyle.
B)articular fossa and the mandibular condyle.
C)neck of the condyle and the external auditory meatus.
D)articular disc and the internal and external pterygoid muscles.

Question 19

Four views of the TMJ can be seen by:

A)CT.
B)MRI.
C)arthrography.
D)the transcranial technique.