Accuracy of triangular meshes of stone models created from DICOM cone beam CT data

International Journal of Implant Dentistry

Table 3 Simple main effects of x-ray modality on error

Threshold value (HU)	X-ray modality	Mean difference (DI)	Standard error (DI)	Sig.
1425	Plan80–Plan90	297	78	0.012
	Plan80–NewVG	430	93	0.004
	Plan90–NewVG	132	22	0.001
1525	Plan80–Plan90	233	56	0.007
	Plan80–NewVG	186	63	0.004
	Plan90–NewVG	53	12	0.004
1625	Plan80–Plan90	123	19	0.0005
	Plan80–NewVG	141	21	0.0005
	Plan90–NewVG	18	3.6	0.002
1725	Plan80–Plan90	52	9.1	0.001
	Plan80–NewVG	60	10	0.0005
	Plan90–NewVG	8	0.82	0.0005
1835	Plan80–Plan90	17	3.9	0.006
	Plan80–NewVG	22	3.7	0.001
	Plan90–NewVG	5	0.7	0.0005
1925	Plan80–Plan90	1.8	0.5	0.013
	Plan80–NewVG	5.8	0.55	0.0005
	Plan90–NewVG	4.1	0.23	0.0005
2025	Plan80–Plan90	0.44	0.29	0.49
	Plan80–NewVG	4.5	0.3	0.0005
	Plan90–NewVG	4.02	0.36	0.0005
2125	Plan80–Plan90	0.62	0.25	0.11
	Plan80–NewVG	4.05	0.45	0.0005
	Plan90–NewVG	3.4	0.44	0.0005
2225	Plan80–Plan90	0.46	0.16	0.05
	Plan80–NewVG	3.6	0.5	0.0005
	Plan90–NewVG	3.1	0.4	0.0005
2325	Plan80–Plan90	0.78	0.21	0.016
	Plan80–NewVG	3.2	0.56	0.001
	Plan90–NewVG	2.4	0.42	0.001
2425	Plan80–Plan90	0.78	0.36	0.17
	Plan80–NewVG	2.6	0.54	0.003
	Plan90–NewVG	1.9	0.39	0.003
2525	Plan80–Plan90	0.068	0.26	1
	Plan80–NewVG	1.5	0.6	0.1
	Plan90–NewVG	1.5	0.7	0.216
2625	Plan80–Plan90	0.35	0.5	1
	Plan80–NewVG	0.93	0.85	0.92
	Plan90–NewVG	0.58	0.86	1