Figure 5
From: Transalveolar sinus floor lift without bone grafting in atrophic maxilla: A meta-analysis
Funnel plots. (a) Funnel plot of survival rates in non-controlled studies. (b) Funnel plot of survival rates in controlled studies. (c) Funnel plot of MBL at 36 months. (d) Funnel plot of EsBG at 12 months.
