Journal
INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS
Volume 30, Issue 1, Pages 216-222Publisher
QUINTESSENCE PUBLISHING CO INC
DOI: 10.11607/jomi.3542
Keywords
bone regeneration; chitosan scaffold; mandible; stromal vascular fraction
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Funding
- Vice-Chancellor for Research and Technology of Urmia University [91-D-006]
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Purpose: The aim of this study was to assess the effect of characterized uncultured omental adipose-derived stromal vascular fraction (SVF) on bone regeneration in a circular mandibular bone defect. A chitosan scaffold was used to maintain the cells in situ. Materials and Methods: Seventy-five healthy male white Wistar rats were randomized into three experimental groups. In the control group, a surgical bone defect was created in the body of the mandible. In the scaffold group, a chitosan scaffold was placed into the defect. In the scaffold/SVF group, a scaffold was implanted and seeded with 10-mu L SVF aliquots (2.19 x 0.43 x 10(7) cells). Results: Microscopic and histomorphometric analyses showed improved and earlier regeneration of bone defects in the scaffold/SVF group compared to the scaffold-only group. Conclusion: In this animal model, the use of a chitosan scaffold with SVF aliquots resulted in significantly earlier regeneration of bone than the use of the scaffold alone.
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