4. Operation
EzRay Air Portable (Model: VEX-P300) User Manual 27
ENGLISH
4.4 Positioning
Positioning the Patient
To obtain high-quality intra-oral radiography with maximum details, take extra care in
all steps of the radiography process: positioning the patient and the X-ray imaging
system; exposing the phosphor plate or the intra-oral sensor.
1. Place a protective lead apron on the patient’s chest.
2. 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.
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