Positioning - Vatech EzRay Premium VEX-S100W User Manual

5. Using the System
5.2

Positioning

Positioning the Patient
To obtain high-quality intraoral radiography with maximum details, take extra care in all
steps of the radiography process: positioning the patient, the x-ray generator, and the
imaging system; exposing the film or the intraoral sensor, and processing the film.
1.
Guide the patient to the equipment.
2.
Place a protective lead apron over the patient's chest.
3.
Have the patient sit on the chair with the sagittal plane vertical.

For radiography of the upper maxillary, the Frankfort plane must be horizontal.

For radiography of the lower maxillary, the occlusal plane must be horizontal.
4.
Place the tube head cone in the area you want to take an image.
For further information about the patient positioning and beam angle for each mode,
refer to following Positioning Instructions.
20
The long cone (optional) can be attached into the short cone.
Refer to section "4.2 Selecting the Cone Type".
During patient positioning or X-ray exposure, avoid touching the
patient's skin with the tube head cone.
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