Table 11.

Implant survival rate for different implant types

Implant type	Follow up period	Number of implants with this follow up	Cumulative number of failure	Cumulative survival rate (%)
BECES/BCS	> 48 months, up to 57 months	1019	31	97.5
KOS	> 48 months, up to 57 months	142	2	98.4
KOS Plus	Up to 27 months	6	3	50
BOI	14 months	2	0	100

Although a total of 5100 implants were placed and observed for 12 – 57 months totally (with 105 implants out of these, having failed), this article reports the detailed results only for 1169 implants which have been observed at least for 48 months