Fig. 7From: Stem cell-based therapy in periodontal regeneration: a systematic review and meta-analysis of clinical studiesForest plot for linear distance from bone crest to bottom of defect at 12 months. The meta-analysis conducted to compare bone crest to bottom of defect between stem cell-based therapy and cell-free control therapy. A random-effects meta-analysis model (Mantel-Haenszel method) was used in this analysisBack to article page