Abstract
Objective
The primary aim of our study was to evaluate the efficacy of mineralized bone allograft alone in sinus floor augmentation with simultaneous implant placement in cases with severe atrophy of the residual maxillary bone (bone height < 4 mm).
Methods
Thirty-five dental implants were placed in 29 patients who underwent sinus augmentation via traditional lateral window technique from 2008 to 2013. Patients with residual alveolar height between 1 and 3 mm at the site of implantation were included in the study. The height of residual bone was initially estimated by plain panoramic X-ray and reevaluated intraoperatively by precise micrometric measurement at the site of implantation. Implants of 13 mm height and 3.5 or 4.3 mm in diameter were inserted simultaneously. Mineralized bone allograft was used alone to augment the sinus floor.
Results
No wound dehiscence was recorded. In one case there was a postoperative site infection which subsided with antibiotics without implant failure. One implant migrated during the postoperative period to the maxillary sinus and was removed. One implant failed. The remaining 33 implants were successfully loaded. Follow-up ranged from 3 to 8 years.
Conclusions
Maxillary sinus lift in severely absorbed alveolar ridges with simultaneous implant placement could be safely performed using mineralized allograft alone, rendering the procedure less invasive and less time-consuming.
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The work described has not been published before; it is not under consideration for publication anywhere else; its publication has been approved by all co-authors, as well as by the responsible authorities—tacitly or explicitly—at the institute where the work has been carried out. The publisher will not be held legally responsible should there be any claims for compensation.
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This study was exempted from our Institutional review board due to its retrospective nature.
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Not required because this is a retrospective study and none of the patients in the figures are recognizable.
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Tilaveridis, I., Lazaridou, M., Zouloumis, L. et al. The use of mineralized bone allograft as a single grafting material in maxillary sinus lifting with severely atrophied alveolar ridge (1–3 mm) and immediately inserted dental implants. A 3- up to 8-year retrospective study. Oral Maxillofac Surg 22, 267–273 (2018). https://doi.org/10.1007/s10006-018-0698-6
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DOI: https://doi.org/10.1007/s10006-018-0698-6