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Related Concept Videos

The Bone Matrix01:18

The Bone Matrix

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Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in...
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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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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 as Supporting Connective Tissue01:23

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Bone tissue forms the internal skeleton of vertebrate animals, providing structure to the body.
Bone Matrix
Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. The organic matrix is similar to the matrix material found in other connective tissues, including some amount of collagen and elastic fibers. This gives strength and flexibility to the tissue. The inorganic matrix consists of mineral salts— mostly calcium salts—...
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Bone Remodeling and Repair01:31

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Bone Formation by Intramembranous Ossification01:29

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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.
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Related Experiment Video

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An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
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Establishing and Maintaining Osseointegration Within the Functional Matrix.

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    The International Journal of Periodontics & Restorative Dentistry
    |December 24, 2015
    PubMed
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    A novel surgical approach enhances bone healing for common dentoalveolar defects by leveraging bone physiology mechanisms. This method offers predictable, successful outcomes when surgical protocols are precisely followed.

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    Area of Science:

    • Oral surgery
    • Regenerative medicine
    • Bone physiology

    Background:

    • Dentoalveolar defects present significant challenges in oral surgery.
    • Existing treatments may have limitations in achieving optimal bone regeneration.
    • Understanding bone physiology is key to improving surgical healing responses.

    Observation:

    • Novel treatment approach targets bone physiology regulation.
    • Anatomic pathways for this system have been identified.
    • A defined set of rules guides procedural design for optimal outcomes.

    Findings:

    • The treatment method recruits bone physiology mechanisms for enhanced healing.
    • Successful outcomes are achievable when the treatment method is followed.
    • This approach optimizes the potential for successful surgical healing.

    Implications:

    • Provides a theoretical basis for a new surgical treatment.
    • Offers a structured approach for surgeons to improve patient outcomes.
    • Demonstrates successful healing in clinical cases using this method.