Fig. 3From: The efficacy of platelet-rich fibrin as a scaffold in regenerative endodontic treatment: a retrospective controlled cohort studya A periapical radiograph of #45 with apical periodontitis in a 12-year-old girl. In #45, conventional RET was performed. b Three-month follow-up periapical radiograph. c Six-month follow-up radiograph. d Nine-month follow-up radiograph. e Twelve-month follow-up radiograph showing healing of the periapical lesion and root developmentBack to article page