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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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Related Experiment Video

Updated: May 2, 2026

Author Spotlight: Comparing Alveolar and Long Bone Remodeling to Explore OTM Model Potential
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Particulate bone matrix usage for alveolar bone conservation. A histomorphometric study.

Sebastián Fontana, Luis Plavnik, Miguel Filippetti

    Revista De La Facultad De Ciencias Medicas (Cordoba, Argentina)
    |March 21, 2014
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    Summary
    This summary is machine-generated.

    This study shows a bone matrix (MO-UNC) effectively repairs bone loss after tooth extraction in rats. The material promotes new bone formation and prevents alveolar ridge collapse, aiding in bone regeneration.

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    Biological Compatibility Profile on Biomaterials for Bone Regeneration
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    Area of Science:

    • Oral and Maxillofacial Surgery
    • Biomaterials Science
    • Regenerative Medicine

    Background:

    • Bone loss after tooth extraction is a common clinical challenge.
    • Various filling materials have been explored for alveolar bone repair.
    • Effective bone regeneration strategies are crucial for dental implant success.

    Purpose of the Study:

    • To evaluate the efficacy of a mineralized bone matrix (MO-UNC) in alveolar bone remodeling post-extraction.
    • To conduct a histomorphometric analysis of residual alveolar ridges in Wistar rats.

    Main Methods:

    • Extraction of first lower molars in Wistar rats.
    • Experimental group alveoli filled with MO-UNC bone matrix; control group left unfilled.
    • Histological and histomorphometric analysis at 0, 15, 30, and 60 days post-extraction.

    Main Results:

    • Newly formed bone tissue observed around MO-UNC particles, indicating osseointegration.
    • Significantly greater total alveolar volume (TAV) in the experimental group at 60 days (p <0.05).
    • Osseointegration percentage increased over time, reaching 95.5% by 60 days.

    Conclusions:

    • The MO-UNC bone matrix demonstrates osteoconductive properties.
    • MO-UNC effectively prevents alveolar bone collapse post-extraction.
    • This material shows promise for enhancing bone regeneration in extraction sockets.