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Related Concept Videos

Fractures: Bone Repair01:27

Fractures: Bone Repair

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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...
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Osteoclasts in Bone Remodeling01:31

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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...
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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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Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

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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 ...
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Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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Related Experiment Video

Updated: Mar 9, 2026

A Mouse Distraction Osteogenesis Model
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Periosteal Distraction Osteogenesis: An Effective Method for Bone Regeneration.

Danyang Zhao1, Yu Wang2, Dong Han1

  • 1Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639, Zhizaoju Road, Shanghai 200011, China.

Biomed Research International
|January 13, 2017
PubMed
Summary

Periosteal distraction osteogenesis (PDO) offers a novel approach to bone defect treatment by stimulating new bone growth without corticotomy. This method avoids immune complications and donor site limitations, showing promise for clinical application.

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Area of Science:

  • Regenerative Medicine
  • Orthopedic Surgery
  • Biomaterials Engineering

Background:

  • Bone defect treatment presents significant clinical challenges.
  • Current methods often involve invasive procedures and donor site morbidity.
  • Periosteal distraction osteogenesis (PDO) emerges as a promising alternative.

Purpose of the Study:

  • To review the mechanisms, devices, strategies, and measures of periosteal distraction osteogenesis (PDO).
  • To elucidate the potential of PDO in treating bone defects.
  • To explore future clinical applications of PDO.

Main Methods:

  • Review of existing literature on periosteal distraction osteogenesis.
  • Analysis of PDO mechanisms, including periosteal expansion and new bone formation.
  • Evaluation of available devices and strategic approaches for PDO.

Main Results:

  • PDO utilizes the inherent osteogenicity of the periosteum to generate new bone.
  • It creates an artificial space for bone regeneration without requiring a corticotomy.
  • Newly formed bone via PDO can effectively treat bone defects, avoiding immune issues and donor site limitations.

Conclusions:

  • Periosteal distraction osteogenesis is a viable technique for bone regeneration.
  • PDO offers advantages over traditional bone defect treatments.
  • Further clinical translation of PDO is anticipated for bone defect management.