Clinical outcomes of retention of the buccal root section combined with immediate implant placement: A systematic review of longitudinal studies. Kotsakis GA, Nguyen TT, Siormpas K, Pikos MA, Pohl S, Tarnow D, Mitsias M, Root Membrane Group. Clin Implant Dent Relat Res. 2023; 25(1): 23-34. doi:10.1111/cid.13150. Epub 2022 Nov 4. PMID: 36,331,494.The study was self-funded by the authors.Systematic review and meta-analysis.