Sirona Dental GALILEOS Guía De Uso página 13

Sirona Dental Systems GmbH
Operating Instructions for mechanical diaphragm GALILEOS
Program
Values
Effective dose value D
eff
ICRP 1990
Effective dose value D
eff
ICRP 2007
Program
Values
Effective dose value D
eff
ICRP 1990
Effective dose value D
eff
ICRP 2007
62 63 060 D3437
D3437.201.05.02.02 07.2009
3
Dosage
Effective dose values
Effective dose values
Radiation exposure is specified as effective dose value D
To offset measurement errors and system and device variations, a tolerance
of 20% must be expected.
GALILEOS operates with fixed settings of 85 kV and 7 mA.
This results in the following dose values for GALILEOS Comfort with open
Dose value for Comfort
diaphragm:
Additional
10 mAs 14 mAs
14 µSv 19 µSv
26 µSv 35 µSv
Source
Study: "Comparative dosimetry of GALILEOS Dental CBCT imaging,"
Prof. Dr. John B. Ludlow, Department of Diagnostic Sciences and General
Dentistry, University of North Carolina School of Dentistry, Chapel Hill, North
Carolina, USA
NOTICE
Reduced dose value
When the maxillary or mandibular collimation is used, dose values can be
reduced by approx. 15%.
Compact dose values
The following dose values thus result for the GALILEOS Compact with an
open diaphragm:
Additionally
10 mAs 14 mAs
9 µSv 12 µSv
13 µSv 19 µSv
Source
Study: "Comparison of the effective dose of different DVT systems",
Dr. Schulze, Freiburg University, Germany
NOTICE
Dose value reduced
The dose values decrease by approx. 15% for maxillary or mandibular
collimation.
21 mAs 28 mAs
29 µSv 39 µSv
54 µSv 72 µSv
21 mAs 28 mAs
18 µSv 24 µSv
28 µSv 37 µSv
3 Dosage
(µSv).
eff
Additional
35 mAs 42 mAs
48 µSv 54 µSv
90 µSv 130 µSv
Additionally
35 mAs 42 mAs
30 µSv 36 µSv
46 µSv 56 µSv
5