Patient Positioning; Taking An Exposure - Planmeca ProX User Manual

12 OCCLUSAL EXPOSURE

12.2 Patient positioning

12.2.1 Positioning the cone
Scale for the cone angle
Maxillary occlusal

12.3 Taking an exposure

BW
READY
PRET
kV mA
s
MODE SELECT
26 Planmeca ProX
Ask the patient to sit down. Place a protective lead apron
over the patient's chest.
In the intraoral occlusal exposures the sensor is
positioned between patient's upper and lower teeth.
The angle of the cone is indicated on the scale located on
the vertical joint of the tube head.
The optional long cone can be attached into the short
cone. Refer to chapter 7.2 "Selecting the cone" on page 9.
Select the cone angle from the table below.
TEETH
Occlusal
exposure
Position the cone according to the figures below.
Sensor
Ask the patient to remain as still as possible. Move as far
away from the X-ray tube as the length of the cable from
the control panel permits. The distance must be at least 2
meters (6.6 ft) from the X-ray tube.
No one except the patient may remain in the radiation
area while the exposure is taken.
NOTE
Maintain audio and visual contact with the patient and unit
during the exposure.
Check that the ready light is on.
Press and hold the exposure key on the control panel for
the duration of the exposure.
The exposure warning light will come on. You will also
hear the radiation warning tone during the exposure.
Maxilla
Mandible
Mandibular occlusal
ANGLE OF
INCLINATION
+75°
-60°
Sensor
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