Reference axis position
CBCT
PAN
CEPH
HVL
1
3.4 mm Al for PAN/CEPH at 85 kV
5.2 mm Al for CBCT at 90 kV
Total ltration
2
2.8 mm Al for PAN/CEPH at 85 kV
7.0 mm Al for CBCT at 90 kV
Inherent ltration 0.5 mm Al
Leakage radiation
3
< 0.88 mGy/h @ 1 m
X-ray voltage accuracy ± 10%
4
X-ray current accuracy ± 20%
5
Radiation linearity ± 20%
6
X-ray emission time accuracy ± (10% + 1 ms)
7