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Correlation between mucosal inflammation and marginal bone loss around hydroxyapatite-coated implants: a 3-year
E R Teixeira1, Y Sato, Y Akagawa
1Department of Removable Prosthodontics, Hiroshima University, School of Dentistry, Japan.
The International Journal of Oral & Maxillofacial Implants
|January 1, 1997
Summary
Peri-implant mucosal inflammation, indicated by gingival index and fluid volume, correlates with marginal bone loss around hydroxyapatite-coated dental implants. This suggests inflammation is a key factor in implant osseointegration failure.
Area of Science:
- Dentistry
- Periodontology
- Biomaterials Science
Background:
- Dental implants are a common solution for tooth loss.
- Hydroxyapatite coatings enhance osseointegration but can be susceptible to peri-implant issues.
- Peri-implant mucosal inflammation is a potential risk factor for implant complications.
Purpose of the Study:
- To investigate the correlation between peri-implant mucosal inflammation and marginal bone loss.
- To evaluate this relationship in patients with two-stage hydroxyapatite-coated dental implants over three years.
- To identify specific inflammatory markers associated with bone resorption.
Main Methods:
- Thirty-two implants in patients were assessed over 3 years.
- Evaluated parameters included Plaque Index, Gingival Index, and crevicular fluid volume.
- Marginal bone height was measured using dental radiographs at 2 months, 9 months, and 3 years.
Main Results:
- The gingivitis group showed significantly increased bone resorption compared to control and borderline groups (P < .05).
- A significant correlation was found between Gingival Index, crevicular fluid volume, and marginal bone loss (P < .05).
- These findings suggest a link between mucosal inflammation severity and the extent of bone resorption.
Conclusions:
- Peri-implant mucosal inflammation is significantly correlated with marginal bone loss around hydroxyapatite-coated dental implants.
- Gingival Index and crevicular fluid volume are key indicators of this bone loss.
- Managing peri-implant inflammation is crucial for preserving marginal bone and ensuring long-term implant success.