Abstract
Nowadays biotechnology can offer vast opportunities for maxillofacial surgery. The new prostheses and individual face implants can be produced at the chairside. A great problem for dental and maxillofacial surgeon is the reconstruction of lost bone. Bone loss may be caused by resorption, trauma or resection after surgical treatment of tumours. Rehabilitation of the majority of these patients requires a bone graft. Lack of general protocol and a multitude of materials used to rebuild bony tissue often makes it difficult to choose the best method. In the present study, xenograft of bovine bone granulate (applied with collagen memebrane) has been compared with autogenous bone graft. The statistical analysis was performed to compare the level of bone loss following these procedures with a possibility of introducing dental implants in reconstructed tissue. A total of 41 patients (26 women and 15 men) underwent reconstruction in 62 treatment sites. 13 reconstructions were performed with bovine bone xenograft and 49 with autogenous bone graft. The level of bone loss was lower in cases where bovine bone substitute material was applied, and thus gave better possibility to perform dental implant treatment.
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