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Table 7 Implant survival characteristics in the included studies

From: Marginal bone loss around oral implants supporting fixed versus removable prostheses: a systematic review

Author(year) Implant survival at the end of the studya Implant loss/failing implants Observation period for surviving implants Comments
Palmqvist et al. 1996 [29] NR NR 4.9 ± 1.2 years
range: 2–6 years
No data provided for implant survival and implant loss
Cune et al. 1996 [30] 94.5 ± 2.7% Overall: 24
FISP: 5
RISP: 19
513.3 ± 182.8 days Implant loss most frequently in the maxilla (18/24)
Makkonen et al. 1997 [32] Overall: 98.7%
FISP: 100%
RISP: 97.4%
Overall: 2
FISP: 0
RISP: 2
5 years Both lost implants judged to be non-osseointegrated at the time of abutment connection
Tinsley et al. 2001 [33] FISP: 71% ± 4.37
RISP: 71% ± 4.94
Overall: 13
FISP: 7
RISP: 6
72 months Thirteen implants had extensive bone loss > 4 mm and were defined as “failing implants” according to the authors criteria
Raghoebar et al. 2003 [34] Overall: 93%
FISP: 94%
RISP: 93%
Overall: 12
FISP: 3
RISP: 9
3 years One implant failed prior to loading. Eight implants failed after four weeks and three implants failed after one year of observation.
Quirynen et al. 2004 [31] NR NR 10 years No data provided for implant survival and implant loss.
  1. aValues are shown as cumulative implant survival rates
  2. bNR: not reported