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Table 5 Implants lost and in function up to 20.2 years after implant insertion using different graft materials

From: Retrospective analysis of 10,000 implants from insertion up to 20 years—analysis of implantations using augmentative procedures

Graft material Implants (n) Min/max observation time (years) Lost implants % (n) Absolute survival rate % p value
No graft material 4609 0.0/20.2 5.51 (254) 94.49  
Geistlich Bio-Oss 2939 0.0/15.6 2.76 (81) 97.24 0.0004
Autogenous bone particles 1801 0.0/17.8 3.94 (71) 96.06 0.1807
Cerasorb 284 0.0/12.6 10.56 (30) 89.44 0.0007
Bioresorb 145 0.1/11.6 6.90 (10) 93.10 0.7782
Bio-Oss + Cerasorb 105 0.0/5.8 2.86 (3) 97.14 0.6714
Other bone substitutes 275 0.0/18.6 4.00 (11) 96 0.1354
Total 10158 0.0/20.2 4.53 (460) 95.47  
  1. Metric parameters were calculated applying descriptive statistics. P values for pairwise comparison vs. no graft material were calculated in accordance to Kaplan and Meier using log-rank test.