Bone Block Harvesting
Bone Block Harvesting - Related Videos
03:38
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Sterile Tissue Harvest
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Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN In 1959 The 3 R's were introduced by W.M.S. Russell and R.L. Burch in their book The Principles of Humane Experimental Technique. The 3 R's are replacement, reduction, and refinement of the use of animals in research. The use of cell lines and tissue cultures that originated from research animals is a replacement technique, as it allows for many experiments to be conducted in vitro. Harvesting...
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Chemically-blocked Antibody Microarray for Multiplexed High-throughput Profiling of Specific Protein Glycosylation in Complex Samples
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21:15
Diagnostic Necropsy and Tissue Harvest
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Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN Many animal experiments rely on final data collection time points that are gathered from the harvesting and testing of organs and tissues. The use of appropriate methods for the collection of organs and tissues can impact the quality of the samples and the analysis of the data that is gleaned for the testing of the tissues. The method of euthanasia of the animal can also impact the quality of...
08:49
Models of Bone Metastasis
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Cited by 115 •
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Animal models are frequently utilized to study cancer metastasis to bone. In this protocol we will describe two common methods of tumor inoculation for bone metastasis studies and briefly describe some of the analyses utilized to monitor and quantify these models.
FAQs
Donor-site selection determines whether the harvested segment can provide the type of bone needed for reconstruction while remaining suitable for controlled removal. Surgeons consider the recipient defect and choose a site capable of supplying a cortical or corticocancellous block. This planning supports stable reconstruction and helps align the graft’s structural role with the anatomy being restored.
A cortical block supplies a solid structural segment, whereas a corticocancellous block combines cortical and cancellous bone. The choice therefore relates to the requirements of the deficient area and the support needed. In either form, successful healing depends on the secured block becoming integrated with surrounding tissue through revascularization and subsequent remodeling.
Fixation keeps the bone block positioned at the recipient site while healing progresses. Revascularization supports biological integration, and remodeling helps the graft become part of the surrounding skeletal environment. These processes work together: mechanical stability preserves the reconstructed form, while vascular and remodeling changes support longer-term incorporation. Managing both is central to predictable outcomes.
After selecting a suitable donor site, the surgeon creates controlled osteotomies that outline the intended segment. The cortical or corticocancellous block is then mobilized, transferred to the deficient recipient area, and secured in position. Subsequent management focuses on healing, revascularization, and remodeling so the graft can integrate with adjacent tissue and provide the planned structural reconstruction.
In oral and maxillofacial surgery, this approach may be used when jaw anatomy lacks sufficient skeletal volume for reconstruction. It can create structural support for dental implant treatment and help rebuild bone lost through trauma or disease. The technique is therefore relevant both to implant-related rehabilitation and to restoration of anatomy after pathological or traumatic defects.
Progress is reflected by stable positioning of the secured block, revascularization, and integration with surrounding tissue, followed by remodeling. The intended result is restoration of deficient jaw anatomy or other skeletal structure with enough support for the planned reconstruction, including dental implant placement when relevant. Donor-site choice, fixation, and healing management all influence predictability.