evidencegaps
Primary study · included by 1 review

Histological assessment of augmented jaw bone utilizing a new collagen barrier membrane compared to a standard barrier membrane to protect a granular bone substitute material.

Friedmann 2003 · Friedmann Anton, Strietzel Frank Peter, Maretzki Burghard, et al. · Clinical oral implants research · 2002

Included by

Failures and complications associated with resorbable and non-resorbable membranes in guided bone regeneration: A systematic review and meta-analysis.
Non-Cochrane · intervention · 2026 · cited as Friedmann 2003 · Table 1; Figures 2-3
Outcome this study informsPooled effectEvidenceCertainty
Complications
e-PTFE (non-resorbable) membrane vs Collagen (resorbable) membrane
RR 1.01 [0.69, 1.48]9 studies · 253 participantsGRADE not reported
Success rate
e-PTFE (non-resorbable) membrane vs Collagen (resorbable) membrane
RR 1.0 [0.95, 1.06]9 studies · 265 participantsGRADE not reported

1 including review in total.