Mandible and TMJ

Question 1

Mandible PA Image Critique

Answer 1

Position:

• Distance from mandibular rami to lateral cervical vertebrae are equal
• Petrous ridges are superimposed over supraorbital margin

Area:
-Whole mandible, from TMJ to symphysis menti

Question 2

Mandible Axiolateral Image Critique

Answer 2

Position:

• Opposite side of mandible is not superimposed over region of interest
• Condylar and coronoid process shown (rami)
• Mandibular body/ rami/ mentum is not foreshortened

Area:
-Whole mandible, from TMJ to symphysis menti

Question 3

TMJ FO35 Image Critique

Answer 3

Position:

• Distance from posterior clinoid processes to lateral borders of foramen magnum are equal
• Cornoid process are symmetrically shown on each side of cervical spine
• Mandibular condyle is not superimposed by temporal bones

Area:
-Mandibular condyles and TM fossa, show relationship between the two

Question 4

TMJ Axiolateral Image Critique

Answer 4

Position:

• Mandibular condyles are located in TM fossa, anterior to EAM
• Anterior gliding movement of mandibular condyle from TM fossa

Area:
-Mandibular condyles and TM fossa