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Related Experiment Videos

Current concepts in periodontal bioengineering.

M Taba1, Q Jin, J V Sugai

  • 1Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, 48108, USA.

Orthodontics & Craniofacial Research
|October 22, 2005
PubMed
Summary

Emerging periodontal therapies focus on tissue engineering for alveolar bone defects. Advanced materials, growth factors like BMPs and PDGF, and gene therapy show promise for regenerating bone, periodontal ligament, and cementum.

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Area of Science:

  • Oral and craniofacial tissue engineering
  • Periodontal regenerative medicine
  • Biomaterials and drug delivery systems

Background:

  • Alveolar bone defects from periodontal and peri-implant disease pose significant reconstructive challenges.
  • Current tissue engineering approaches (barrier membranes, bone substitutes, grafts) offer limited success.
  • Growth factors are explored to restore tooth support lost to disease or trauma.

Purpose of the Study:

  • To review emerging periodontal therapies integrating materials science, growth factor biology, and cell/gene therapy.
  • To highlight polymer delivery systems for targeting proteins, genes, and cells to defect sites.
  • To summarize preclinical and clinical findings on growth factor applications for periodontal regeneration.

Main Methods:

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  • Review of literature on materials science, growth factor biology, and cell/gene therapy in periodontics.
  • Analysis of polymer delivery systems for targeted protein, gene, and cell delivery.
  • Evaluation of preclinical and clinical trial results for bone morphogenetic proteins (BMP-2, BMP-7) and platelet-derived growth factor-BB (PDGF).
  • Examination of ex vivo and in vivo gene delivery strategies using gene therapy vectors.

    • Main Results:

    • Topical application of BMP-2, BMP-7, and PDGF-BB demonstrates potential for periodontal and peri-implant regeneration.
    • Polymer delivery systems facilitate targeted delivery of therapeutic agents to defect areas.
    • Gene therapy vectors encoding growth factors and inhibitors show promise for regenerating periodontal structures.

    Conclusions:

    • Emerging therapies combining advanced materials, growth factors, and gene therapy offer new avenues for periodontal regeneration.
    • Targeted delivery systems and gene-based strategies are crucial for effective regeneration of bone, periodontal ligament, and cementum.
    • Further research into these innovative approaches is essential for clinical translation in reconstructive periodontics.