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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치주과학회 Journal of Periodontal & Implant Science Journal of Periodontal & Implant Science 제53권 제3호
- 발행연도
- 2023.6
- 수록면
- 218 - 232 (15page)
- DOI
- 10.5051/jpis.2300660033
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초록· 키워드
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Purpose: This study evaluated the efficacy of a tube-shaped poly(ε) caprolactone - β tricalcium phosphate (PCL-TCP) scaffold with the incorporation of human umbilical cord-derived mesenchymal stem cells (hUCMSCs) and platelet-rich plasma (PRP) for bone regeneration in the procedure of single-stage sinus augmentation and dental implantation in minipigs.
Methods: Implants were placed in the bilateral sides of the maxillary sinuses of 5 minipigs and allocated to a PCL-TCP+hUCMSCs+PRP group (n=5), a PCL-TCP+PRP group (n=5), and a PCL-TCP-only group (n=6). After 12 weeks, bone regeneration was evaluated with soft X-rays, micro-computed tomography, fluorescence microscopy, and histomorphometric analysis.
Results: Four implants failed (2 each in the PCL-TCP+hUCMSCs+PRP and PCL TCP+hUCMSC groups). An analysis of the grayscale levels and bone-implant contact ratio showed significantly higher mean values in the PCL-TCP+hUCMSCs+PRP than in the PCL-TCP group (P=0.045 and P=0.016, respectively). In fluoromicroscopic images, new bone formation around the outer surfaces of the scaffolds was observed in the PCL TCP+hUCMSCs+PRP group, suggesting a tenting effect of the specially designed scaffolds.
Bone regeneration at the scaffold-implant interfaces was observed in all 3 groups.
Conclusions: Using a tube-shaped, honeycombed PCL-TCP scaffold with hUCMSCs and PRP may serve to enhance bone formation and dental implants’ osseointegration in the procedure of simultaneous sinus lifting and dental implantation.
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