International Journal of Implant Dentistry

Table 3 Descriptive statistics of implant placement accuracy parameters on each bone condition groups

From: Influence of bone condition on implant placement accuracy with computer-guided surgery

	Bone density		Bone width		Cortical bone thickness
	BD1	BD2	BW1	BW2	CT1	CT2
N	24	23	36	11	33	14
BL-LP (mm)
Mean	1.63	1.30	1.56	1.16	1.53	1.32
Median	1.43	1.12	1.43	0.92	1.35	1.11
SD	0.84	0.71	0.75	0.86	0.84	0.66
Min	0.56	0.27	0.42	0.27	0.27	0.55
Max	3.32	2.66	3.32	2.98	3.32	2.31
BL-LA (mm)
Mean	1.94	1.56	1.88	1.34	1.46	1.32
Median	1.69	1.63	1.86	1.17	1.30	1.43
SD	0.95	0.83	0.90	0.82	0.87	0.63
Min	0.53	0.25	0.25	0.42	0.24	0.3
Max	4.23	3.01	4.23	2.9	3.24	2.32
MD-LP (mm)
Mean	1.63	1.19	1.52	1.08	1.84	1.54
Median	1.44	1.30	1.45	0.71	1.63	1.67
SD	0.84	0.71	0.75	0.91	0.94	0.82
Min	0.38	0.24	0.24	0.38	0.26	0.25
Max	3.24	2.65	3.24	2.93	4.23	2.82
MD-LA (mm)
Mean	2.40	1.39	1.93	1.82	1.98	1.72
Median	2.19	1.32	1.82	1.14	1.70	1.83
SD	0.94	0.74	0.91	1.22	1.03	0.86
Min	0.95	0.45	0.45	0.5	0.45	0.48
Max	4.04	3.41	4.04	3.67	4.04	3.34
VP (mm)
Mean	1.50	0.96	1.34	0.88	1.31	1.06
Median	1.29	0.81	1.30	0.53	1.20	0.80
SD	0.85	0.78	0.81	0.94	0.92	0.67
Min	0.42	0.08	0.08	0.08	0.08	0.25
Max	3.25	2.65	3.25	2.79	3.25	2.25
VA (mm)
Mean	1.68	0.96	1.43	0.98	1.43	1.09
Median	1.39	0.86	1.39	0.50	1.36	0.93
SD	0.90	0.84	0.88	1.05	0.96	0.86
Min	0.41	0.01	0.01	0.02	0.01	0.01
Max	3.46	2.68	3.46	3.26	3.46	2.65

BL bucco-lingual, LP linear deviation at the implant platform, LA linear deviation at the implant apical, MD Mesio-distal, VP vertical deviation at the implant platform, VA vertical deviation at the implant apical

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