Influence of the use of autogenous bone particles to close the access window after maxillary sinus floor augmentation: an experimental study in rabbits

International Journal of Implant Dentistry
Giacomo FaveroDaniele Botticelli

Abstract

To study the influence on the healing of the placement of particulate autogenous bone in the antrostomy and in the subjacent region after maxillary sinus elevation. Sixteen New Zealand rabbits were undergone to bilateral maxillary sinus floor augmentation with 4 × 4 mm antrostomy dimension. The sinus mucosa was elevated, and the space obtained was filled with xenograft. In the test site (treated sites), autogenous bone was harvested from the tibia and was placed either in the antrostomy and the subjacent region while the control site was left untreated. Antrostomy was covered bilaterally with collagen membranes. Animals were euthanized after 1 and 8 weeks of healing, with 8 rabbits in each group. Histomorphometric evaluations were done. The Wilcoxon test is used for statistical analysis, for a 5% statistical significance. After 1 week of healing, the new bone proportion in the antrostomy was 7.7 ± 11.2% and 6.1 ± 6.4% in the treated and untreated sites, respectively. In the subjacent region (close-to-window region), hardly any new bone was assessed. In the elevated region, 2.7-2.8% of total new bone was found in both sites. In the antrostomy region, after 8 weeks of healing, 35.5 ± 20.9% of new bone in the treated sites, and 28...Continue Reading

References

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Aug 26, 2018·Journal of Investigative and Clinical Dentistry·Shunsuke KawakamiDaniele Botticelli
Dec 7, 2018·The International Journal of Oral & Maxillofacial Implants·Shunsuke KawakamiDaniele Botticelli
Aug 20, 2019·Implant Dentistry·Kazushige TanakaDaniele Botticelli

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Citations

Aug 14, 2020·International Journal of Implant Dentistry·Kazushige TanakaSamuel P Xavier
Jul 3, 2021·Dentistry Journal·Michael Medeiros CostaSamuel Porfirio Xavier

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BETA
biopsies
xenograft

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Excel
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Leica Applications Suite
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