Fig. 2From: Effect of bar designs on peri implant tissues health in implant-supported removable prostheses: a systematic reviewRisk of bias summary of the observational study; Figures generated with Review Manager 5.3 (RevMan 5.3, The Nordic Cochrane Centre, Copenhagen, Denmark, Green plus: Yes, Red minus: No, Yellow question mark: Unclear, White square: not applicableBack to article page