Vertical Ridge Augmentation of Atrophic Posterior Mandible Using Platelet-Derived Growth Factor: Two Case Reports

Figure 1. (a) Preoperative radiographic presentation of atrophic left mandible (patient 1). Preoperative buccal (b) and occlusal (c) view of Seibert Class III ridge defect upon full-thickness flap reflection. (d) Allograft/xenograft mixture and expanded polytetrafluoroethylene membrane placement over the atrophic ridge. Figure 2. Clinical evidence of significant bone gain in ridge height (a) and width (b) at 9 months (patient 1). Preoperative (c) and 9-month postoperative (d) computerized tomography scans revealing a significant amount of bone gain in height and width. (e) Placement of Nobel Replace Select 5 × 10 mm WP implant at site No. 19.

Figure 3. (a) Preoperative clinical presentation of atrophic left mandible (patient 2). (b) Preoperative occlusal view of Seibert Class III ridge defect upon full-thickness flap reflection. Figure 4. Clinical evidence of significant bone gain in ridge height (a) and width (b) at 9 months (patient 2). Preoperative (c) and 9-month postoperative (d) computerized tomography scans revealing a significant amount of bone gain in height and width. (e) Placement of Straumann 4.8 × 10 mm WN and 4.1 × 10 mm RN SLActive implants at sites No. 18 and 20.