78 Chapter 7 3D Object Acquisition
Preparing and Positioning the Patient
To prepare and position the patient, follow these steps:
1. Ask the patient to remove all metal objects.
2. Ask the patient to wear a lead apron. Ensure that the apron lays flat across the patient’s shoulders.
3. Ask the patient to do the following:
• Stand up straight or sit on a stool.
• Grip the lower handle on each side.
• Position the feet slightly forward.
• Relax and lower the shoulders to allow for the full motion of the unit rotative arm.
4. Place the radiological guide (A) and the bite index (B) in the patient’s mouth. Ask the patient to
remain in occlusion during the scanning operation.
5. Ask the patient to bite into the 3D bite block (A).
6. Make sure that the patient places the upper incisors before the incisive stopper (B).
7. Turn the adjustment knob to close the temple supports (C).
Important: The spinal column and the nose of the patient must
be aligned in a straight vertical line.
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