Guided tissue regeneration (GTR) with barrier membrane (resorbable or non-resorbable) vs Open flap debridement (access flap surgery)
Guided tissue regeneration (GTR) with barrier membrane (resorbable… led to higher change in probing depth (probing depth reduction) compared with open flap debridement (access flap surgery); GRADE not reported.
- Guided tissue regeneration for periodontal infra-bony defects 2006 · Cochrane All outcomes>=12 monthsMD 1.21 [0.53, 1.88]11 studiesGRADE not reported