Open Access
Table II
Parameters used in radiological assessment based on the study by Choi et al. [11].
| Parameters | Landmark | Purpose |
|---|---|---|
| Axial | ||
| Paramedian line (PL) | vertical line passing through the nasal septum and the centre of the occipital foramen | As reference line |
| Transverse line (TL) | line tangentially to the posterior borders of both condyles | As reference line |
| Condylar Distance (CD) | distance between the condyle and the paramedian line | To measure magnitude of medial or lateral displacement |
| Condylar Length (CL) | the longest diameter of the condyle | To measure magnitude of deformity of condylar head |
| Condylar Angulation (CA) | the angulation between the long axis of the condyle and the transverse line | To measure magnitude of rotation of condylar head |
| Coronal | ||
| Coronal Joint Space (CS) | Superior joint space (in coronal view) | To measure magnitude of superior or inferior displacement |
| Sagittal | ||
| Anterior joint space (S2) | Closest anterior joint space | To measure magnitude of anterior or posterior displacement |
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