Fig. 2From: The efficacy of concentrated growth factor and platelet-rich fibrin as scaffolds in regenerative endodontic treatment applied to immature permanent teeth: a retrospective study#21 in a 11-year-old boy of CGF group (a) The pre-operative periapical radiograph. (b) The immediate post-operative periapical radiograph. (c) The post-operative periapical radiograph at the 4-month follow-up. (c) The post-operative periapical radiograph at the 16-month follow-upBack to article page