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An Efficient and Reproducible Protocol for Distraction Osteogenesis in a Rat Model Leading to a Functional Regenerated Femur
Published on: October 23, 2017
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Does Guided Bone Regeneration Prevent Unfavorable Bone Shapes in Distraction Gap?
Umut Demetoglu1, Alper Alkan2, Erdem Kiliç3
1Assistant Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Adnan Menderes University, Aydın, Turkey.
Summary
Guided bone regeneration prevents unfavorable bone shapes during distraction osteogenesis. This method enhances regenerated bone surface area, improving outcomes in alveolar distraction procedures.
Area of Science:
- Oral and Maxillofacial Surgery
- Regenerative Medicine
- Biomaterials Science
Background:
- Distraction osteogenesis (DO) can lead to poor regenerated bone shape and quality.
- Unfavorable bone morphology at the distraction gap compromises bone quantity and structural integrity.
Purpose of the Study:
- To evaluate the efficacy of guided bone regeneration (GBR) in preventing unfavorable bone shapes during DO.
- To assess the impact of GBR on the quality and quantity of regenerated bone in alveolar distraction.
Main Methods:
- Bilateral alveolar DO performed in 10 beagle dog mandibles.
- Experimental group: DO with simultaneous GBR. Control group: DO alone.
- Computed tomography (CT) scans for densitometric and area measurements post-consolidation.
Main Results:
- GBR group showed no unfavorable bone shapes; regenerated bone surface area was significantly greater.
- Control group exhibited unfavorable bone shapes in 4 out of 10 mandibles.
- No significant difference in bone densitometry between groups.
Conclusions:
- Simultaneous GBR with DO is an effective strategy for achieving favorable bone shape in the distraction gap.
- GBR enhances the surface area of regenerated bone, potentially improving bone quantity and quality.
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