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Hydroxyapatite coatings in implant dentistry.
1Division of Periodontology, School of Dentistry, University of California, San Francisco.
Implant Dentistry
|January 1, 1992
Summary
Hydroxyapatite coatings enhance bone integration for dental implants, especially in compromised bone sites. Despite concerns about long-term stability and bacterial plaque, research shows no increased long-term failure rates after 8 years.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Tissue Engineering
Background:
- Hydroxyapatite coatings promote osseous tissue integration with implant surfaces.
- These coatings show superiority in compromised bone quantity or quality compared to titanium.
- Concerns exist regarding long-term stability and increased bacterial plaque risk.
Purpose of the Study:
- To review available research on hydroxyapatite-coated implants.
- To evaluate the long-term stability and clinical performance of these implants.
- To address the controversial aspects of hydroxyapatite coatings in implant dentistry.
Main Methods:
- Literature review of clinical studies and research on hydroxyapatite-coated implants.
- Analysis of data pertaining to osseous integration and implant interface stability.
- Examination of microbiological data and long-term failure rates.
Main Results:
- Hydroxyapatite coatings demonstrate enhanced osseous integration, particularly in challenging bone conditions.
- Despite theoretical risks, long-term clinical data (8 years) do not indicate increased implant failure.
- The hydroxyapatite/bone interface stability remains an area of ongoing investigation.
Conclusions:
- Hydroxyapatite coatings offer significant benefits for dental implant integration.
- Long-term clinical outcomes suggest that concerns about failure rates may be overstated.
- Further research is warranted to fully understand and optimize the long-term performance of hydroxyapatite coatings.