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Updated: Mar 27, 2026
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Use of Human Perivascular Stem Cells for Bone Regeneration
Published on: May 25, 2012
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Success of Maxillary Alveolar Defect Repair in Rats Using Osteoblast-Differentiated Human Deciduous Dental Pulp Stem
Arezoo Jahanbin1, Roozbeh Rashed2, Daryoush Hamidi Alamdari3
1Associate Professor, Dental Research Center, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.
Summary
Human dental pulp stem cells show regenerative potential for repairing maxillary alveolar defects in rats. These cells offer a promising new avenue for craniofacial defect reconstruction, particularly for patients with cleft lip and palate.
Area of Science:
- Regenerative medicine
- Craniofacial abnormalities
- Stem cell therapy
Background:
- Cell-based therapies are advanced methods for enhancing regenerative responses in craniofacial abnormalities.
- Human dental pulp stem cells (DPSCs) are a potential source for regenerative applications.
Purpose of the Study:
- To evaluate the regenerative potential of DPSCs from deciduous teeth for reconstructing maxillary alveolar defects in Wistar rats.
Main Methods:
- DPSCs were isolated and differentiated into osteoblasts.
- Maxillary alveolar defects were created in 60 Wistar rats.
- Rats were divided into groups receiving iliac bone graft, DPSCs with collagen matrix, or collagen matrix alone.
- Bone formation was assessed via hematoxylin-eosin staining at 1 and 2 months post-surgery.
Main Results:
- Maximum fetal bone formation was observed with an iliac bone graft at 2 months.
- No significant differences in bone formation were found between control and stem cell groups at 1 month.
- Significant differences in bone formation were noted between control and scaffold groups at 2 months.
Conclusions:
- Human DPSCs represent a viable cell source for repairing maxillary alveolar defects in rats.
- DPSCs offer a promising model for reconstructing human maxillary alveolar defects, especially in cleft lip and palate patients.
