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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

DUQUE NETTO, Henrique et al. Bone Formation in Maxillary Sinus Lift Using Autogenous Bone Graft at 2 and 6 Months. Int. J. Morphol. [online]. 2016, vol.34, n.3, pp.1069-1075. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022016000300041.

The aim of this study is to compare the bone formation in maxillary sinus lift with an autogenous bone graft in histological evaluation at 2 or 6 months. A comparative study was designed where 10 patients with missing teeth bilaterally in the posterior zone of the maxilla were selected. Patients received a particulate autogenous bone graft under the same surgical conditions, selecting a site to collect a biopsy and histological study at two months and another at six months postoperatively. Histomorphometry was performed and were used Kolmogorov-Smirnov test, student's t-test and Spearman's correlation coefficient, considering a value of p<0.05. Differences were observed in inflammatory infiltrate and vascularization characteristics; however, the group analyzed at two months presented 38.12% ± 6.64 % of mineralized tissue, whereas the group studied at 6 months presented an average of 38.45 ± 9.27 %. There were no statistical differences between the groups. It is concluded that the bone formation may be similar in intrasinus particulate autogenous bone grafts in evaluations at two or six months; under these conditions, early installation of implants is viable.

Keywords : Maxillary sinus; Maxillary sinus lift; Autogenous graft.

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