• FOR POSTEROANTERIOR AND LATERAL PROGRAMS:
Position the patient’s Frankfort plane so that it coincides with the
Frankfort plane light. To do this, adjust the tilt of the patient’s head by
raising or lowering the X-ray unit with the height adjusting buttons.
The patient’s back and neck must be straight.
• FOR POSTEROANTERIOR LINEAR PROGRAM:
Position the patient’s head so that the Frankfort plane is tilted up
about 30 degrees. To do this, support the back of the patient’s head
with your hand and, using the Frankfort plane light as a reference
line, adjust the tilt of the patient’s head by raising or lowering the X-
ray unit with the height adjusting buttons. The patient’s back and
neck must be straight.
8 Sinus exposure
User's manual Planmeca ProMax 81
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