AI Article Synopsis
- The study aimed to assess the effectiveness of growth factor-loaded collagen membranes for promoting new bone growth in horizontal bone augmentation.
- Six male beagle dogs had mandibular defects surgically created, then treated with one of three membrane types for comparison.
- Results showed that while the rhBMP-2 loaded membrane led to greater bone formation at 8 weeks, by 16 weeks, there were no significant differences in new bone growth or horizontal bone gain among the three membrane types.
Article Abstract
The aim of this study was to evaluate the efficacy of growth factor loaded collagen membranes on new bone formation during horizontal bone augmentation. Mandibular defects (4 × 4 × 4 mm) were surgically prepared in six male beagle dogs, which were then protected with one of three types of membranes: (1) titanium mesh, (2) titanium reinforced collagen, or (3) rhBMP-2 loaded titanium reinforced collagen. Animals were euthanized 8 and 16 weeks after surgery, and nondecalcified specimens were prepared and histomorphologically investigated to determine the degree of osteogenesis. Data were analyzed with Friedman test. With respect to the degree of osteogenesis at earlier stage (8 weeks after surgery), there was significantly higher new bone ratio in rhBMP-2 loaded membrane group ( > 0.05). However, with respect to the long-term results (16 weeks after surgery), there were no significant differences among the three membranes ( > 0.05). Based on histomorphometric analysis, there were no significant differences in horizontal bone gaining ratio ( > 0.05).
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5664243 | PMC |
| http://dx.doi.org/10.1155/2017/7141296 | DOI Listing |
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