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Fractures: Bone Repair

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...

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Related Experiment Video

Updated: Jun 25, 2026

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Published on: April 11, 2012

Ridge Augmentation Using a Self-Retaining Block Bone Material in Damaged Extraction Sockets: A Multi-Centre

Shinyoung Park¹, Joo-Yeon Lee¹, Jin-Young Park¹

¹Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry, Seoul, Korea.

Journal of Clinical Periodontology

|February 14, 2025

Summary

Synthetic bone blocks better maintain socket width after alveolar ridge augmentation, but have higher dehiscence rates. Synthetic bone particles showed greater width reduction over six months.

Keywords:

alveolar bone grafting alveolar ridge augmentation dental implantation tooth extraction

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Published on: August 24, 2018

Area of Science:

Oral and Maxillofacial Surgery
Regenerative Dentistry
Biomaterials Science

Background:

Alveolar ridge augmentation (ARA) is crucial for dental implant success.
Damaged extraction sockets present challenges for bone regeneration.
Evaluating dimensional stability of bone graft materials is essential.

Purpose of the Study:

To compare the dimensional stability of self-retaining synthetic block bone (srBB) and synthetic bone particles (SBP) for ARA.
To assess horizontal width, vertical height, and volume changes in damaged extraction sockets over six months.

Main Methods:

Randomized trial in 57 participants with damaged non-molar extraction sockets.
Two groups: srBB with collagen membrane (n=29) and SBP with collagen membrane (n=28).
Cone beam computed tomography (CBCT) at baseline and 6 months to evaluate dimensional changes.

Main Results:

Synthetic bone blocks (srBB) showed significantly less horizontal width reduction (0.8 mm) compared to synthetic bone particles (SBP) (1.9 mm) at the coronal level (p<0.05).
srBB also demonstrated significantly less volume decrease (3.2 mm³) at the bucco-coronal level versus SBP (10.4 mm³) (p<0.05).
Wound dehiscence led to srBB removal in 10 patients.

Conclusions:

Synthetic bone blocks may offer superior coronal dimension maintenance for ARA up to 6 months.
However, the benefit of srBB is limited by a higher incidence of early wound dehiscence.
Synthetic bone particles are a viable alternative, though with greater dimensional reduction.