Imaging of the TMJ Flashcards
(13 cards)
Should you do a OPT for TMJ assessment
in most cases no
when is an OPT indicated for TMJ assessment
recent trauma
changes in occlusion
mandibular shift
sensory/motor alterations
change in range of movement
What radiographs to taker for trauma to TMJ
Panoramic
PA mandible
what does a cone beam CT
boney changes
difference of CBCT to CT
CT has increased radiation dose compared to CBCT
What can CT visualise
soft tissue and bone
Does MRI transmit radiation
no
What is MRI good for assessing
articular disc position
What does SPECT stand for
single photon emission CT
when would you use SPECT
condylar hyperplasia
what is arthrography
alternative imaging modality if MRI not feasible due to contraindications
diagnostic purpose for arthrography
injection of steroids into joint space
what is present if contrast leaks from lower joint space to upper joint space
disc perforation