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skull · Axiolateral (Schuller)
Temporomandibular Joints (TMJ)
Patient semi-prone/erect, head lateral; open- and closed-mouth.
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AI Patient · KV Sir
How to perform this view
- 01
Position head true lateral, affected side down.
- 02
Angle CR 25-30 deg caudad.
- 03
Enter 5 cm above upside EAM.
- 04
Take closed-mouth, then open-mouth.
- 05
Repeat on other side.
Anatomical & patient position
Patient: Patient semi-prone/erect, head lateral; open- and closed-mouth.
Part: MSP parallel; IOML parallel; side of interest to IR.
Central ray & centring point
25-30 deg caudad, 5 cm superior to upside EAM, exiting downside TMJ.
Exposure factors
kVp
70-80 kVp
mAs
10-15 mAs
SID
100 cm
IR size
18 x 24 cm
Grid
Yes
Respiration
Suspended
Clinical indications
- TMJ dysfunction, dislocation
- Condylar fracture
Contraindications & precautions
- Fractured mandible or dislocation - no open-mouth view
- Suspected unstable spinal injury - do NOT move neck/spine; use cross-table lateral first and keep collar
Structures shown & evaluation criteria
- Condyle in fossa (closed)
- Condyle on articular eminence (open)