Pro-Dent CT Phantom for Quality Control of Dental Tomography Systems
Developed in conjunction with with leading members of dental tomography units, the Pro-Dent CT phantom is an ideal solution for the quality control of dental tomography systems and other X-ray devices with 3D functionality.
The Pro-Dent is sized correspondingly to a human skull; 15cm in diameter. All test patterns in the device are located in the area matching the maxilla, giving quick and reliable testing of X-ray devices - and even those with a limited field of visualisation. Furthermore, quality can be evaluated in the clinically essential reigion.
A range of tests can be completed by the Pro-Dent CT, such as image geometry, artefacts, homogeneity, pixel (matrix) size, contrast, linearity, and both high and low-contrast resolution. The instrument is fully compliant with IEC 61223-3-4 and IEC 61223-3-5 and is CER certified. Each phantom includes a manual with detailed operational guidelines for carrying out tests, results assessments and registration.
Pro-Dent CT Technical Specifications
Pro-Dent CT Technical Specifications
- Convenient, portable case for storage and transportation
- Folding base for test stand positioning on the X-ray unit’s chair
- Test stand with a table for placing the phantom in the test position
- Main test module dimensions:
- ø 150mm, 40mm thickness, containing:
– four sensitometric samples ø 20mm made of: PTFE (teflon), POM C (polyoxymethylene), PE 300 (polyethylene) and air
– four o 3mm rods, filled with air, placed in vertexes of a square (side length 50mm)
– seven low contrast rods of a different diameter: 2, 3, 4, 6, 8, 10, 12mm, filled with a substance whose density is 3% different from the body of the module
– seven high contrast patterns for line pair resolution evaluation, from 10 to 16 LP/cm
– three beads: ø 0.2, 0.25, 0.3mm
- Optional ø 150mm, 20mm thick geometry modue with two pairs of aluminum ramps, empty rods in vertexes of a square and positioning markers for detailed evaluation of image geometry and laser position verification
- Additional smaller homogenous cylinder filled with a substance with a density similar to water: ø 150mm, 30mm thickness
- Additional larger homogenous cylinder filled with a substance with a density similar to water: ø 150mm, 130mm thickness
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