Related Experiment Video
Updated: Jun 24, 2026
11:31
Repair of a Critical-sized Calvarial Defect Model Using Adipose-derived Stromal Cells Harvested from Lipoaspirate
Published on: October 31, 2012
Histologic evaluation of a stem cell-based sinus-augmentation procedure
Bradley S McAllister1, Kamran Haghighat, Aron Gonshor
1Private practice, Portland, OR, USA.
Journal of Periodontology
|April 2, 2009
Summary
This study shows that using an allograft cellular bone matrix for sinus augmentation can lead to significant vital bone formation in about 4 months. This approach may speed up dental implant placement and restoration.
Area of Science:
- Dental implantology
- Regenerative medicine
- Oral surgery
Background:
- Sinus augmentation is crucial for dental implant success.
- Traditional grafting materials require 6-9 months for bone formation.
- Autogenous bone grafting has limitations.
Purpose of the Study:
- Evaluate bone formation after sinus augmentation using a specific allograft.
- Assess the efficacy of a cellular bone matrix in promoting rapid bone regeneration.
Main Methods:
- Case series evaluating sinus augmentation with an allograft cellular bone matrix.
- Mesenchymal stem cells within the allograft.
- Biopsy and histologic evaluation after ~4 months of healing.
Main Results:
- Average vital bone content of 33% (22-40%) was observed.
- Average residual graft content was 6% (3-7%).
- Healing period averaged 4.1 months (3-4.75 months).
Conclusions:
- The allograft cellular bone matrix promotes significant vital bone formation.
- A shorter healing phase is achievable with this cellular grafting approach.
- This may allow for earlier dental implant placement and restoration.
