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Choosing an implant system: facts and fallacies
1University of British Columbia.
The Journal of Dental Symposia
|August 1, 1993
Summary
Threaded dental implants, particularly those with hydroxyapatite (HA) coatings, show a preference over cylindrical ones in short-term observations. This finding is based on biological and mechanical principles for root form implants.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Orthopedic Engineering
Background:
- Root form dental implants are available in cylindrical or threaded designs.
- Implant surfaces can be metallic or coated with calcium-phosphate-ceramic (CPC) materials.
- Both biological and mechanical factors influence implant success.
Purpose of the Study:
- To compare the short-term efficacy of different root form dental implant designs and surface coatings.
- To evaluate the preference for specific implant characteristics based on biological and mechanical principles.
Main Methods:
- Retrospective study analyzing surface characteristics of dental implants.
- Comparison of cylindrical versus threaded implant designs.
- Assessment of metal versus calcium-phosphate-ceramic (CPC) coatings, specifically hydroxyapatite (HA).
Main Results:
- A preference for threaded implants was observed, supported by biological and mechanical principles.
- Hydroxyapatite (HA)-coated threaded implants demonstrated a marked preference in short-term observations.
- Cylindrical implants and non-HA coated implants showed less preference in the observed period.
Conclusions:
- Threaded implant designs are biomechanically and biologically favored over cylindrical designs.
- Hydroxyapatite (HA) coating on threaded implants appears beneficial for short-term outcomes in dental implantology.
- Further long-term studies are warranted to confirm these short-term findings.