Presentation
Experiencing significant pain when articulating jaw after falling flat on face. Soft tissue tenderness on palpation.
Patient Data
No fracture or dislocation is seen. Soft tissues appear unremarkable.
Case Discussion
This case is an example of a normal mandible series comprising the anteroposterior axial (Towne) and bilateral axiolateral oblique views. These projections may differ in other departmental protocols.
Important points to note when positioning:
Towne: this projection requires that the patient not only tucks their chin as far down as possible but also have their neck positioned as far posterior, to prevent superimposition with their shoulders, especially in the case of hyperkyphosis
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axiolateral oblique: ensure no superimposition with the mandibular body of the opposite side by:
tilting the patient's head towards the image receptor
having a cephalic angle on the x-ray beam to project the side furthest from the image receptor superiorly
a combination of the above two points
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