ArticleJournal of dental sciences2024
Enhanced bone formation of rat mandibular bone defects with collagen membranes loaded on bone morphogenetic protein-9.
Article in Journal of dental sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Effects of graft materials on bone regeneration using the osseous shell technique: an experimental study in rats.International journal of implant dentistry · 2026Article
- Directing Neutrophil Fate via Sensory-Immune Interactions Accelerates Diabetic Bone Healing.Research (Washington, D.C.) · 2026Article
- Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background/purpose: Bone morphogenetic protein-9 (BMP-9) has demonstrated multiple advantages in promoting osteogenesis. Our previous findings have indicated that the use of an absorbable collagen membrane (ACM) as a carrier for growth factors is effective in stimulating bone regeneration. The objective of this study was to assess the synergistic impact of BMP-9 incorporated into ACM (ACM/BMP-9) on bone formation within rat mandibular bone defects. Materials and methods: Circular bone defects of critical size were surgically induced on both sides of the rat mandibular bone, with subsequent random allocation into distinct groups: control, ACM alone, and ACM loaded with low (0.5 μg) or high (2.0 μg) concentrations of BMP-9. We conducted real-time in vivo micro-computerized tomography scans at the baseline and at 2, 4, and 6 weeks, and measured the volume of newly formed bone (NFB), bone mineral density (BMD) of NFB, and the closure percentage of the NFB area. Histological and histomorphometric analyses were performed at 6 weeks. Results: Real-time assessment revealed notably higher levels of bone volume, BMD, and closure percentage in the NFB area for the groups treated with ACM/BMP-9 compared to the control and ACM groups. Within the high concentration of BMP-9 group, the volume and BMD of NFB exhibited a significant increase at 6 weeks compared to baseline. Histological examination confirmed the existence of osteoblasts, osteocytes, and blood vessels within the NFB. Conclusion: Considering the limitations of this research, the real-time evaluation finding indicates that ACM/BMP-9 effectively promotes bone formation in critical-size mandibular defects in rats.
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