Table 2.

Insert positions within the SEDENTEXCT (safety and efficacy of a new and emerging dental X-ray modality) IQ (image quality) dental CBCT phantom

Insert	Phantom level
Noise and uniformity (blank PMMA inserts)	5
Pixel value	4
Contrast-to-noise ratio (all materials)	4
Spatial resolution xy	3
Point spread function	3
Titanium artefacts	1

PMMA, polymethylmethacrylate.