Table 1.

Relative cross-sectional areas of the different placed implants from proximally to distally with corresponding positions.

Length [%]	Relative cross-sectional area [in % of CORAIL at 20% length]
	CORAIL	CLS Spotorno	SP-CL	SP-CL without grooves	SP-CL straight	SP-CL straight without grooves
10	35	39	41	41	41	41
15	92	49	112	111	113	113
20	100	113	103	119	103	119
25	92	94	76	103	76	103
30	78	78	65	91	65	91
40	57	51	54	69	54	69
50	42	35	42	49	42	49
60	36	28	34	35	34	34
70	31	22	27	27	27	27
80	26	17	21	21	21	21
90	22	12	16	16	16	16

Smallest cross-sections are marked in bold. SP-CL shows larger cross-sections than the other implants more proximally, but exhibits much less area from about 20–40% of the length in cranial-caudal direction.