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Volume 18 , Issue 4
July/August 2003
Pages 556–560

Maxillary Sinus Grafting with Anorganic Bovine Bone: A Clinical Report of Long-term Results

Pascal Valentini, DDS/David J. Abensur, DDS

PMID: 12939008

Purpose: The aim of the present retrospective study was to evaluate the survival rate of titanium plasma spray-coated cylindric and machined screw-type implants placed in sinuses grafted with anorganic bovine bone mixed with demineralized freeze-dried bone allograft (DFDBA) or with anorganic bovine bone alone. Materials and Methods: The patients included in this study were treated with a 1- or 2-stage technique, according to the volume of residual bone. This determined the possibility of primary stabilization and the duration of the treatment, which was 9 or 12 months, respectively. Results: The overall implant survival rate was 94.5% after a mean functioning period of 6.5 ± 1.9 years. The implant survival rate was better in sinuses grafted with anorganic bovine bone alone than with a mixture of anorganic bovine bone with DFDBA (96.8% versus 90%). The implant survival rate was similar for cylindric and screw-type implants in sinuses grafted with anorganic bovine bone alone. Discussion: Because of the good bone quality, the implant survival rate was similar for cylindric and screw-type implants in sinuses grafted with anorganic bovine bone. Conclusion: Anorganic bovine bone used alone appears to be a suitable material for sinus floor augmentation. (INT J ORAL MAXILLOFAC IMPLANTS 2003;18:556–560)

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