Figure 2: (a) Preoperative photograph, (b) full-thickness mucoperiosteal flap, (c) placement of surgical template on the site, (d) removal of the buccal cortical plate, (e) removal of cystic lesion, (f) after root-end resection followed placement of MTA, (g) placement of platelet-rich fibrin, bone graft, and tetracycline granules, (h) placement of buccal cortical plate, (i) after suture placement, (j) suture removal after 1 week, (k) follow-up after 6 months