Pro-Dent CT MINI phantom is a versatile quality control tool of dental Cone-Beam CT, Dental Volume Tomography (DVT). and other 3D imaging devices with even the smallest FOV (Field Of View).
The phantom consists of a main PMMA cylinder that houses modules with different test objects.
It allows performing most important imaging quality tests such as:
- Image geometry
- Slice geometry
- Pixel (matrix) size
- Artefacts, noise
- Homogeneity
- Linearity
- Contrast
- High-contrast resolution
- Low-contrast resolution (contrast sensitivity)
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Main cylinder
- Contains markings for easy positioning in the dental unit
- Geometric distortion section - an array of 2.0 mm diameter, 3.0 mm long holes uniformly pitched at 10.0 mm intervals
- Diameter: 110 mm
- Length: 130 mm
- Made of PMMA (1.19 g/cm³)
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Noise / uniformity module
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Linearity module
- Containing 15 mm rods made of PTFE, poliamid, PE-300, air and water emulating epoxy embedded PMMA - pixel intensity / HU values samples
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High contrast resolution module
- Containing 7 objects for resolution evaluation: 10, 11, 12, 13, 14, 15, 16 LP/cm
- 0.3 mm bead for Modular Transfer Function (MTF) calculation
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Low contrast section
- Containing rods of a different diameter: 2, 3, 4, 6, 8, 10, 12 mm, filled with a substance whose density is 3% different from the body of the module
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Slice geometry module
- 4 air rods, 3 mm in diameter, placed in vertices of the 30 mm square
- Two aluminium wire ramps
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Accessories:
- Test stand with spirit level for accurate placing of the phantom in the test position
- Convenient, portable case for storing and transporting the phantom
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