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Histologic comparison of ceramic and titanium implants in cats
E Barth1, C Johansson, T Albrektsson
1Institute for Surgical Research, Rikshospitalet, Oslo, Norway.
The International Journal of Oral & Maxillofacial Implants
|January 1, 1990
Summary
Titanium implants showed significant bone contact and osseointegration. Glass-ceramic implants were surrounded by fibrous tissue, indicating different healing responses in feline femurs.
Area of Science:
- Biomaterials science
- Orthopedic research
- Dental implantology
Background:
- Osseointegration is crucial for dental and orthopedic implant success.
- Titanium is a well-established implant material.
- Glass-ceramics are explored as potential implant coatings.
Purpose of the Study:
- To compare bone healing and implant integration around glass-ceramic-coated and pure titanium implants.
- To evaluate the biocompatibility and osseointegration potential of glass-ceramic coatings.
Main Methods:
- Cylindrical implants (glass-ceramic-coated and pure titanium) were placed in feline femurs.
- Histologic examination and histomorphometric analysis were performed after 6 weeks.
- Quantification of bone-implant contact surface area.
Main Results:
- Glass-ceramic implants were surrounded by 0.2- to 0.5-mm fibrous connective tissue.
- Pure titanium implants achieved 81% +/- 5% direct contact with lamellar or woven bone.
- Different reparative processes were observed for each implant type.
Conclusions:
- Pure titanium implants demonstrated osseointegration in feline femurs.
- Glass-ceramic coatings evoked a fibrous tissue response, hindering direct bone integration.
- Titanium shows superior osseointegration compared to glass-ceramic coatings in this model.