Tomographic Exposure - Planmeca Promax 3D s User Manual

TOMOGRAPHIC EXPOSURE

15 TOMOGRAPHIC EXPOSURE
Bite piece
Chin rest
Adapter
Impression plate
84 Planmeca ProMax & Planmeca ProMax 3D s / 3D
NOTE Tomography / transtomography are optional programs
Impression plate
holder
NOTE The exposure values are optimized for taking
NOTE Always try to minimize the radiation dose to the
NOTE Refer
for SCARA 3 units with Dimax sensor.
This procedure will
longitudinal tomograms from the maxilla, mandible or
temporomandibular joints.
Insert the chin rest and a bite piece into the adapter.
Insert the adapter into the holes in the patient support
table.
For edentulous patients or for patients who are unable to
use the bite piece you can use an impression plate or a
bite piece with a vacuum formed stent.
Alternatively, you can use an impression plate for patient
positioning. Refer to section 15.3 "Patient positioning with
impression plate" on page 90 for details.
Select the program you wish to use (see section 8.6
"Selecting tomography / transtomography program" on
page 39.)
Specify the image area as described in section 8.6.1
"Selecting target area in tomography / transtomography
programs" on page 40.
Select the exposure values according to the size of the
patient. Refer to the values given in the following tables.
exposures at enhanced resolution (Romexis setting).
You can use lower exposure values when taking
exposures at normal resolution.
patient.
to the corresponding
longitudinal exposure values for combined exposure
programs.
produce cross-sectional
cross-sectional/
User's Manual (2D)
and