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Related Concept Videos

Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Bone Remodeling01:40

Bone Remodeling

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.
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...
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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 Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...
Bone Formation by Endochondral Ossification01:24

Bone Formation by Endochondral Ossification

Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...

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Related Experiment Video

Updated: Jul 9, 2026

Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
06:53

Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone

Published on: September 9, 2020

Bone and bone graft healing.

Robert E Marx1

  • 1Division of Oral and Maxillofacial Surgery, University of Miami Miller School of Medicine, 9380 SW 150th Street, Miami, FL 33157, USA. rmarx@med.miami.edu

Oral and Maxillofacial Surgery Clinics of North America
|December 20, 2007
PubMed
Summary
This summary is machine-generated.

Bone uniquely heals through cellular regeneration and mineral matrix production, not scar tissue. This review explores bone healing at cellular, tissue, and organ levels in the craniofacial skeleton.

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Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts
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Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts

Published on: December 22, 2015

Biological Compatibility Profile on Biomaterials for Bone Regeneration
10:28

Biological Compatibility Profile on Biomaterials for Bone Regeneration

Published on: November 16, 2018

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Last Updated: Jul 9, 2026

Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
06:53

Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone

Published on: September 9, 2020

Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts
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Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts

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Biological Compatibility Profile on Biomaterials for Bone Regeneration
10:28

Biological Compatibility Profile on Biomaterials for Bone Regeneration

Published on: November 16, 2018

Area of Science:

  • Orthopedic Surgery
  • Oral and Maxillofacial Surgery
  • Regenerative Medicine

Background:

  • Bone healing differs from other connective tissues, relying on cellular regeneration and mineral matrix formation instead of scar tissue.
  • Understanding bone's unique healing properties is crucial for craniofacial and jaw reconstruction.

Purpose of the Study:

  • To provide a comprehensive overview of bone healing mechanisms.
  • To examine cellular, tissue, and organ-level processes in craniofacial bone regeneration.
  • To discuss implications for bone graft healing in the jaws and craniofacial skeleton.

Main Methods:

  • Literature review of skeletal embryology and bone biology.
  • Analysis of normal and abnormal bone development and healing.
  • Focus on cellular, tissue, and organ-level regeneration processes.

Main Results:

  • Bone regeneration involves intricate cellular activities and mineral matrix deposition.
  • Craniofacial bone healing exhibits unique characteristics influenced by embryology and skeletal structure.
  • Bone graft healing in jaws requires understanding these regenerative principles.

Conclusions:

  • Bone's regenerative capacity is fundamental to craniofacial skeletal integrity.
  • Knowledge of bone healing mechanisms informs reconstructive strategies for jaw and craniofacial defects.
  • Further research into cellular and molecular pathways can optimize bone regeneration therapies.