Aim: This study aimed to compare the potential of two regenerative endodontic procedures, platelet-rich fibrin (PRF) and concentrated growth factor (CGF), in the treatment of mature permanent teeth with necrotic pulps and periapical radiolucency.
Methods: This randomized clinical trial was written according to the Preferred Reporting Items for Randomized Trials in Endodontics 2020 guidelines. The study was registered in the Clinical Trials Registry ( ClinicalTrials.