Fig. 3From: The clinical efficacy of periodontally accelerated osteogenic orthodontics in patients with bone fenestration and dehiscence: a retrospective studySurgical procedure of PAOO. (a) Presurgical treatment. (b) Full-thickness flap reflection (yellow dotted lines show bone dehiscence). (c) Performing corticotomies in the inter-radicular space. (d) Placement of grafting materials on the surface of alveolar bone. (e) Collagen membrane covering the grafting materials. (f) Interrupted sutures. (g) Six-month follow-up. (h) Twelve-month follow-upBack to article page