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Related Experiment Videos

Alveolar cleft osteoplasty using tissue-engineered osteogenic material.

H Hibi1, Y Yamada, M Ueda

  • 1Center for Genetic and Regenerative Medicine, Nagoya University School of Medicine, Nagoya, Japan. hibihi@med.nagoya-u.ac.jp

International Journal of Oral and Maxillofacial Surgery
|April 6, 2006
PubMed
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Tissue-engineered bone using platelet-rich plasma and mesenchymal stem cells offers a predictable alternative to autologous bone grafts. This regenerative material successfully reconstructed an alveolar cleft, enabling tooth eruption.

Area of Science:

  • Regenerative medicine
  • Biomaterials engineering
  • Craniofacial surgery

Background:

  • Autologous bone grafts are standard for bone augmentation but cause donor-site morbidity.
  • Tissue-engineered osteogenic material (TEOM) using platelet-rich plasma (PRP) and autologous mesenchymal stem cells (MSCs) presents a viable alternative.
  • TEOM aims to provide predictable bone regeneration with reduced patient morbidity.

Observation:

  • A 9-year-old female with an alveolar cleft underwent osteoplasty using TEOM.
  • Serial computed tomograms (CTs) monitored bone regeneration.
  • The study tracked the integration and bridging of the cleft by the regenerated bone.

Findings:

  • Regenerated bone extended from cleft walls by 3 months post-operation.

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  • Complete cleft bridging was observed at 6 months.
  • At 9 months, 79.1% of the grafted region showed bone regeneration, facilitating canine and lateral incisor eruption.

    • Implications:

    • TEOM demonstrates significant potential for alveolar cleft reconstruction.
    • This approach minimizes donor-site morbidity associated with traditional bone grafts.
    • Successful bone regeneration supports functional recovery and eruption of permanent teeth.