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Bone Remodeling and Repair01:31

Bone Remodeling and Repair

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
Bone Remodeling01:40

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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.

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Nanotechnology and bone healing.

Edward J Harvey1, Janet E Henderson, Srikar T Vengallatore

  • 1Orthopaedic Trauma, McGill University, Montreal, Quebec, Canada.

Journal of Orthopaedic Trauma
|February 26, 2010
PubMed
Summary
This summary is machine-generated.

Nanotechnology offers promising advancements for bone healing, integrating with genomics, proteomics, and tissue engineering. This review explores its basic science, clinical implications, and early applications in orthopaedics.

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Area of Science:

  • Orthopaedic technology
  • Regenerative medicine
  • Biomaterials science

Background:

  • Nanotechnology's potential in bone healing remains largely untapped.
  • Significant research is underway to advance this field.
  • Integration with genomics, proteomics, and tissue engineering represents the future of orthopaedics.

Purpose of the Study:

  • To review the fundamental science of nanotechnology in bone healing.
  • To discuss clinical implications and emerging applications.
  • To highlight the potential of micro- and nanotechnology interfaces for new treatments.

Main Methods:

  • Review of existing literature on nanotechnology in bone healing.
  • Analysis of current and potential applications in orthopaedics.
  • Exploration of nanometer-sized entities, structures, and devices.

Main Results:

  • Nanotechnology enables applications like porous implant scaffolds and drug delivery systems.
  • Surface topography and composition can be precisely controlled at the nanoscale.
  • Biomicroelectromechanical systems offer novel therapeutic avenues.

Conclusions:

  • Nanotechnology presents a transformative opportunity for enhancing bone healing processes.
  • The convergence of micro- and nanotechnology holds significant promise for future orthopaedic treatments.
  • Further research and development are crucial to realize the full clinical potential.