7.5.2 Second exposure - jaw open (2/2)
1. Ask the patient to open their mouth as wide as possible. Make sure that
the patient’s upper lip is still touching the chin support.
2. Select the forward button. Wait until the X-ray system is ready, i.e. until
the green lights stop flashing.
3. Press and hold down the exposure button for the duration of the second
exposure. The C-arm moves around the patient’s head and the exposure
is taken in the same way as the first exposure.
7 Temporomandibular joint (TMJ) exposure
72 Planmeca ProMax User's manual