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Craniofacial osseointegration: the Canadian experience
J F Wolfaardt1, G H Wilkes, S M Parel
1Faculty of Dentistry, University of Alberta, Edmonton, Canada.
The International Journal of Oral & Maxillofacial Implants
|January 1, 1993
Summary
Six Canadian centers have placed 222 extraoral osseointegration implants. Success rates vary, with non-radiated mastoid regions showing high predictability, unlike radiated areas. Further data is needed for definitive expectations.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomaterials Engineering
- Reconstructive Surgery
Background:
- Extraoral osseointegration is a reconstructive technique for craniofacial defects.
- Data on the success rates of extraoral implants, particularly in Canada, is limited.
- Understanding implant performance across different patient populations and anatomical sites is crucial.
Purpose of the Study:
- To survey Canadian centers performing extraoral osseointegration.
- To compare Canadian implant success rates with international data.
- To identify factors influencing implant success in craniofacial reconstruction.
Main Methods:
- A survey of Canadian centers involved in extraoral osseointegration.
- Retrospective analysis of implant placement and success rates.
- Comparison of Canadian data with published Swedish and United States' experience.
Main Results:
- Six Canadian centers reported placing 222 implants in 91 patients.
- Mastoid region implants in non-radiated patients demonstrated high success rates.
- Radiated patients showed lower and variable success rates depending on anatomical location.
Conclusions:
- Canadian extraoral osseointegration data, combined with international experience, provides valuable trends.
- Success rates are influenced by radiation status and anatomical site.
- Clearer criteria for craniofacial implant success are needed, differentiating extraoral and intraoral applications.