Efficacy of Guided Bone Regeneration Using Composite Bone Graft and Resorbable Collagen Membrane in Seibert's Class I Ridge Defects: Radiological Evaluation
The purpose of the study was to evaluate radiologically the efficacy of guided bone regeneration using composite bone graft (autogenous bone graft and anorganic bovine bone graft [Bio-Oss]) along with resorbable collagen membrane (BioMend Extend) in the augmentation of Seibert's class I ridge defects in maxilla. Bone width was evaluated using computerized tomography at day 0 and at day 180 at 2 mm, 4 mm, and 6 mm from the crest. There was a statistically significant increase in bone width between day 0 and day 180 at 2 mm, 4 mm, and 6 mm from the crest. The results of the study demonstrated an increase in bone width of Seibert's class I ridge defects in the maxilla of the study patients.
Figure 1. Preoperative, occlusal view. Figure 2. (a) Computerized tomography scan at 1-mm slices, specification of edentulous site (84–95 mm). (b) Reformated sectional view, preoperative. (c) Reformated sectional view, postoperative.
Figure 3. (a) Three-dimensional reconstruction using mimic software, preoperative. (b) Reconstructed edentulous site. (c) Sectioning the bone at the center. (d) Calculated bone width at 2 mm, 4 mm, and 6 mm. Figure 4. (a) Three-dimensional reconstruction using mimic software, postoperative. (b) Reconstructed edentulous site, postoperative. (c) Sectioning the bone at center. (d) Calculated bone width at 2 mm, 4 mm, and 6 mm.
Figure 5. Paracrestal incisions given. Figure 6. Flap was elevated, and bone was decorticated. Figure 7. Donor site flap elevated. Figure 8. (a) Procurement of particulate autogenous bone graft. (b) Ebner grafter with particulate autogenous bone graft. Figure 9. Placement of particulate autogenous bone graft.
Figure 10. (a,b) Composite graft (particulate autogenous graft + Bio-Oss). Figure 11. Resorbable collagen membrane placed (BioMend Extend). Figure 12. Recipient site sutured. Figure 13. Postoperative (occlusal view). Figure 14. Comparison of mean values among various dimensions at different time points.
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