Background Gingival recession is a concern in aesthetic and functional perspective. The tunneling technique (TT) is one of the effective root coverage treatments in some gingival recession defects and is associated with favorable outcomes. This paper aims to evaluate the effectiveness of platelet-rich fibrin (PRF) and connective tissue graft (CTG) in gingival recession treatment with TT. https://zvmjfehbyacea.nizarblog.com/35079862/curing-hemophilia-a-by-nhej-mediated-ectopic-f8-insertion-in-the-mouse