Used for detection of oral cone beam CT
Diameter: 16cm
Height: 15cm
Plugin equivalent: air, soft tissue, bone
Positioning tools: linear, selective marking, level
Test parameters:
Nyquist frequency (NF)
Stereo pixel value
contrast ratio
Noise system
Signal-to-noise ratio
Consistency
Modulation Transfer Function (MTF) values (low contrast measurement) 10% and 50%
Artifact
Accurate positioning of the mold
Geometric testing
