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Related Experiment Videos

Histological study on bone response to resin-hydroxyapatite.

O Saitoh1, Y Takamori, F Takashima

  • 1First Department of Prosthetic Dentistry, Osaka University, Faculty of Dentistry, Japan.

The Journal of Osaka University Dental School
|December 1, 1992
PubMed
Summary
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Resin-Hydroxyapatite (Resin-HAP) exhibits good biocompatibility in soft tissues, showing minimal inflammation. Further studies are needed to confirm its long-term stability for dental and bone applications.

Area of Science:

  • Biomaterials Science
  • Dental Materials
  • Tissue Engineering

Background:

  • Hydroxyapatite (HAP) offers bioactivity, while Bis-GMA resin provides plasticity.
  • Combining these materials aims to leverage their respective advantages for improved biomaterials.

Purpose of the Study:

  • To evaluate the biocompatibility of a novel Resin-Hydroxyapatite (Resin-HAP) composite.
  • To assess the tissue response to Resin-HAP implants in a canine model.

Main Methods:

  • Resin-HAP pellets (75% HAP, 15% Bis-GMA, 10% quartz filler) were implanted subcutaneously in dog femurs.
  • Histological analysis was performed at 12 weeks post-implantation to evaluate tissue response.

Main Results:

  • All implants were encapsulated by fibrous connective tissue with minimal inflammatory cells.

Related Experiment Videos

  • The fibrous layer thickness varied, being thinnest around pure HAP and showing variance around Bis-GMA and Resin-HAP.

    • Conclusions:

    • Resin-HAP demonstrates biocompatibility in soft tissues, similar to its constituents.
    • Long-term stability and functional performance of Resin-HAP require further investigation.