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5. Adjust the height of the system using the column up/down switch until the patient’s chin
is resting on the chin rest. The top of the TMJ support should be in contact with the
patient’s acanthion point.
6. Ensure that the patient’s shoulders remain level and their neck is relaxed. The cervical
spine should be straight and upright. To prevent magnifications on the left and right
sides of the final image, make sure that the vertical laser beam is positioned at the
center of the occipital bone.
7. Position the head of the patient to properly align their Frankfort plane with the horizontal
laser beam. For proper positioning, adjust in which way the patient’s head is tilted by
adjust the unit slightly upward or downward using the column up/down switch. The
Frankfort plane is the line from the infra-orbital point to the superior edge of the External
Auditory Meatus(EAM).
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