Effectiveness of Different Modalities of Lip Repositioning Surgery for Management of Patients Complaining of Excessive Gingival Display: A Systematic Review and Meta-Analysis

Figure 2

(a) Risk of bias graph: review authors’ judgments about each risk of bias item presented as percentages across all included studies. The graph is drawn by Review Manager (RevMan) (computer program, version 5.4, The Cochrane Collaboration, 2020). (b) Risk of bias summary: review authors’ judgments about each risk of bias item for each included study. The graph is drawn by Review Manager (RevMan) (computer program, version 5.4, The Cochrane Collaboration, 2020).

(a)

(b)