Abstract
The aim of the study was to analyze the histologic and ultrastructural changes after maxillary sinus augmentation with simultaneous implant placement using engineered bone graft material. In this study, calcium phosphate cement (CPC) scaffolds combined with goat bone marrow stromal cells (BMSCs) were used to fill goat sinus floor space after maxillary sinus floor elevation with simultaneous implant placement comparing with those not filled any grafted materials and used as controls. After a healing period of 3 months, the goat maxillary sinus membrane was examined using light microscopy and scanning electronic microscopy. The results showed that the connective tissue thickness and the epithelium thickness of mucosa were not statistically significant difference between two groups. The tissue engineered bone complex might be an ideal graft for the sinus floor elevation and have no influence on the sinus membrane under the histological and ultrastructural observation.
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Foundation item: the Natural Science Foundation of Science and Technology Commission of Shanghai Municipality (Nos. 09JC1411700 and S30206) and the Natural Science Foundation of Shanghai Jiaotong University School of Medicine (No. 09XJ21030)
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Lu, JY., Zhao, W., Zhu, H. et al. Histologic changes in the sinus membrane after maxillary sinus augmentation with simultaneous implant placement using engineered bone graft material. J. Shanghai Jiaotong Univ. (Sci.) 16, 380–384 (2011). https://doi.org/10.1007/s12204-011-1166-8
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DOI: https://doi.org/10.1007/s12204-011-1166-8
Key words
- tissue engineering
- bone marrow stromal cells (BMSCs)
- calcium phosphate cement (CPC)
- maxillary sinus floor elevation
- simultaneous implant
- sinus membrane