Alveolar Bone Defects
Alveolar Bone Defects - Related Videos
11:05
Generation and Identification of GM-CSF Derived Alveolar-like Macrophages and Dendritic Cells From Mouse Bone Marrow
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Cited by 18 •
2016
Bone marrow cells cultured with granulocyte macrophage colony stimulating factor (GM-CSF) generate a heterogeneous culture containing macrophages and dendritic cells (DCs). This method highlights using MHCII and hyaluronan (HA) binding to differentiate macrophages from the DCs in the GM-CSF culture. Macrophages in this culture have many similarities to alveolar macrophages.
04:32
Half-segmental Diaphyseal Bone Defect Model in Rats for Evaluating Bone Substitute Performance in Load-bearing Regions
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2025
This study established a rat femoral half-segmental defect model to evaluate the mechanical and osteogenic performance of bone substitute materials under load-bearing conditions without the use of internal or external fixation.
05:23
Generating a Rabbit Calvarial Defect Model: A Surgical Procedure to Create Round Defects in the Top Portion of the Rabbit Skull to Assess Bone Substitute Materials for Bone Regeneration Capacities
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2025
In this video, we describe the surgical procedure to generate a rabbit calvarial model to evaluate the bone regeneration capacities of bone sample substitution materials of interest.
10:09
Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
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Cited by 19 •
2014
One constraint of preclinical research in the field of bone repair is the lack of experimental control over the local mechanical environment within a healing bone lesion. We report the design and use of an external fixator for bone repair with the ability to change fixator stiffness in vivo.
06:32
Coronoid-Temporalis Pedicled Flap for Orbital Floor Defect Reconstruction
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2025
This protocol presents a novel coronoid-temporalis pedicled flap (CTPF) technique for reconstructing small-to-medium orbital floor defects. CTPF avoids microvascular risks while maintaining biomechanical stability. Clinical cases demonstrate effective structural restoration, reduced complications, and preserved facial symmetry, offering a viable alternative to traditional grafts or alloplastic materials.
FAQs
These defects develop when bone resorption exceeds bone formation, producing a net loss of supporting jawbone. Periodontal disease, infection, trauma, tooth loss, and developmental abnormalities can contribute to that imbalance. Recognizing the underlying source helps clinicians interpret the defect appropriately and plan care aimed at restoring the affected structure rather than addressing volume loss alone.
The size and architecture of an alveolar bone defect determine how much of the supporting ridge has been altered. Changes in ridge shape can compromise tooth stability and make future implant placement more difficult. For this reason, clinicians assess the defect’s configuration, not only its presence, when developing a reconstructive plan and considering expected functional outcomes.
These conditions represent different clinical pathways that may be associated with localized alveolar bone loss or abnormality. Periodontal disease and infection are disease-related contributors, whereas trauma and tooth loss reflect other causes; developmental abnormalities provide an additional context. Distinguishing among them supports diagnosis and helps relate the observed defect to the patient’s broader oral condition.
Adequate alveolar bone volume and a suitable ridge shape are important considerations when planning implant placement. A defect can reduce available support or alter the contour needed for reconstruction. Evaluating these changes before treatment allows clinicians to identify whether restoring volume may be necessary to improve the anatomical conditions for implant-related planning.
Clinical evaluation combines direct examination with imaging. These approaches help characterize the defect’s size and architecture, including how the ridge shape and supporting bone have changed. The resulting information guides diagnosis and reconstructive planning, allowing treatment decisions to reflect the specific configuration of the defect rather than relying on a general assessment of bone loss.
Bone grafting may be used when treatment requires restoration of lost alveolar bone volume. Its role is reconstructive: it can help rebuild the affected area and support subsequent healing. Because the defect’s size and architecture influence planning, clinicians first characterize those features before selecting a grafting approach within the broader treatment plan.
Guided tissue regeneration is a treatment option intended to support healing and reconstruction in an area affected by an alveolar bone defect. It is considered alongside bone grafting as part of a strategy to restore tissue volume and improve support. Clinical examination and imaging help determine how this approach fits the individual defect and reconstructive objective.