63 76 482 D 3572
44
D 3572
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031.01.04
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02 12.2015
7 Commissioning
Sirona Dental Systems GmbH
7.6 Test exposure
Installation Instructions Facescan
● Artifact (B) (area with slight structure duplication.)
Tolerance:
– Size of the area: A maximum of three grid spaces.
– Number: A maximum of four areas with structure duplication.
● Artifact (C) (the vertical edges of the 3D calibration phantom are not
pictured well and have slightly wavy lines.)
7.6.2
Example 2
The exposure is not okay.
● The artifact (D) is too big (see Example 1 [ → 43], artifact (A)).
Reason: Too light or lighting too direct.