Fig. 6From: Comparison between platelet rich fibrin as space filling material versus xenograft and alloplastic bone grafting materials in immediate implant placement: a randomized clinical trialAlloplast Group. AÂ The preoperative panoramic radiograph showing horizontal root fracture of upper right central tooth. BÂ The tooth after extraction. CÂ The collagen membrane after its application. DÂ The primary closure of the flap. EÂ An immediate postoperative cross-sectional image of CBCT. FÂ A cross-sectional CBCT image taken 18 months postoperative.Back to article page