10 Cephalometric exposures (CEPH)
Sirona Dental Systems GmbH
10.3 Positioning a ceph patient
Operating Instructions ORTHOPHOS XG
Plus
DS/Ceph
59 87 594 D 3352
80
D 3352.201.01.18.02
C2 a.p. views
(S = symmetric)
Select ceph program
C2
using the
+/– arrow keys
on
the touchscreen.
For symmetric exposures, the ear plug holders must be
rotated by
90° into the S position
.
Rotate the ear plug holders by 90° so that the
folded-up
nose support points toward the secondary diaphragm.
For a
symmetrical a.p. view
, have the patient turn so
that he/she faces the sensor
(a.p.)
, once height adjust-
ment is completed, but
before closing the ear plugs
.
(This applies to both the left-handed and the
right-handed ceph arm version).
Insert the ear plugs into the external auditory canals.
Hold the ear plug holders at their
upper ends
when
doing this.
Select the kV/mA values by touching one of the four
patient symbols on the touchscreen.
You can also choose if you want to use half the exposure
time (4.7 s Quickshot scan).
C2 a.p. views with shadowing in the thyroid
area
(only for “half-axial skull radiograph”, off-axial cra-
nial overview)
Just like the C1 p.a. view this exposure technique with
the head reclined and the mouth open fully also supports
shadowing in the thyroid area. (For head positioning and
sample exposure see C1 p.a. view.)
Shadowing results in a dose reduction in the thyroid
area.
PAN
TS
9,1s
80kV
14mA
?
CEPH
C2 a.p.
C2 a.p.
1558
9,1s
Ready for exposure
S
a.p.
60
90
120
70
80
100 110
C2
a.p.
Summary of Contents for Orthophos XG Plus DS/Ceph
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