Stela, B.S. , Leão, T.P. , Oliveira, G.C. de ., Gonçalves, M.F. and Seroli, W. 2023. Comparative analysis between the use of connective grafts and PRF in the aesthetic improvement of peri-implant gingival tissue: narrative literature review. E-Acadêmica. 4, 2 (May 2023), e0342443. DOI:https://doi.org/10.52076/eacad-v4i2.443.