Planmeca ProMax Technical Manual

Chapter A - GENERAL & TECHNICAL DATA
A-14 Planmeca ProMax
PROMAX 3D: CTDI VALUES
Technical Manual
c)
NOTE Values in this item are normalized to the CTDI
100 (peripheral, max)
in item a) 2)
d)
Maximum deviation from the values given in items a), b) and c) is ±20%.
Dose profile
Graphical presentation of the dose profile along a line z perpendicular to the tomographic
plane measured in the centre location of the head-dosimetry phantom:
Sensitivity profile
Sensitivity profile N/A - the resolution is substantially equal in z-direction.
Weighted CTDI
100
CTDI
w
(VolumeComputedTomographyDoseIndex) describes the average dose over the total
volume scanned for the selected CT conditions of operation.
CTDI
W
= 7.15 (5.72) mGy
Volume CTDI
w
CTDI
vol
= CTDI
W
= 7.15 (5.72) mGy
Geometric efficiency in Z-direction
Geometric efficiency in z-direction is 100%.
Deviation from the default CT scanner
conditions of operation
Relative CTDI
100 (peripheral, max)
X- ray tube voltage: 70 kV 0.34 (0.34)
X- ray tube voltage: 50 kV 0.05 (0.05)
z-direction = Beam height at rotation centre
x-direction = Dose0
0

Planmeca ProMax Specifications

General

Category	Medical Equipment
Type	Cone Beam Computed Tomography (CBCT) System
Software	Planmeca Romexis
Imaging Modes	CBCT
Imaging Modalities	2D Panoramic
X-ray Generator	High Frequency Generator
Focal Spot Size	0.5 mm
X-ray Tube Voltage	60-90 kV
Exposure Time	Varies depending on imaging mode and parameters
Dimensions	Varies significantly depending on model and configuration
Weight	Varies significantly depending on model and configuration
Power Requirements	50/60 Hz
Patient Positioning	seated