Comparison of the amount of artifacts induced by zirconium and titanium implants in cone-beam computed tomography images

Table 1 Comparison of the amount of artifacts induced by zirconium and titanium implants

FOV	Resolution	Implant’s type	Gray value (mean ± SD)	Mean difference ± SE	P-value*
Small	High (133 µ voxel size)	Zirconium	1566.10 ± 0.77	1098.65 ± 41.50	< 0.001
	High (133 µ voxel size)	Titanium	167.44 ± 143.76	1098.65 ± 41.50	< 0.001
	Low (200 µ voxel size)	Zirconium	1434.46 ± 0.9	1061.18 ± 33.96	< 0.001
	Low (200 µ voxel size)	Titanium	373.28 ± 117.65	1061.18 ± 33.96	< 0.001
Large	High (133 µ voxel size)	Zirconium	1251.02 ± 62.74	928.86 ± 60.71	< 0.001
	High (133 µ voxel size)	Titanium	322.16 ± 200.75	928.86 ± 60.71	< 0.001
	Low (200 µ voxel size)	Zirconium	1329.05 ± 36.43	1016.52 ± 49.40	< 0.001
	Low (200 µ voxel size)	Titanium	312.53 ± 167.23	1016.52 ± 49.40	< 0.001

*Independent t test, FOV field of view, SD standard deviation, SE standard error

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