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Ceramic implant fracture: A clinical report
Ninghua Kong1, Allen Chen2, Weishi Yan3
1Lecturer, Department of Stomatology, Beijing Anzhen Hospital, Capital Medical University, PR China; Visiting Scholar, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Wash.
The Journal of Prosthetic Dentistry
|May 14, 2019
Summary
A fractured ceramic dental implant made of alumina was analyzed. This rare complication highlights potential issues with older alumina implant materials, even though they are no longer marketed.
Area of Science:
- Materials Science
- Biomaterials Engineering
- Dental Implantology
Background:
- Ceramic dental implants, specifically those made of alumina, were previously used but later withdrawn due to low survival rates.
- Complications associated with alumina dental implants are infrequently reported in clinical literature.
- Understanding the failure modes of these older implant systems is crucial for current dental practices.
Purpose of the Study:
- To report a rare clinical case of a fractured ceramic dental implant.
- To analyze the material composition and fracture characteristics of the failed implant.
- To contribute to the limited clinical data on alumina dental implant complications.
Main Methods:
- Clinical case presentation of a patient with a fractured dental implant.
- Scanning electron microscopy (SEM) for high-resolution imaging of the fracture surface.
- Energy dispersive spectroscopy (EDS) for elemental analysis and material identification.
Main Results:
- The fractured dental implant segment was successfully retrieved and analyzed.
- SEM revealed detailed fracture morphology.
- EDS confirmed the implant material to be alumina (aluminum oxide).
Conclusions:
- The fractured dental implant was composed of alumina, a material known for its past market withdrawal due to poor clinical outcomes.
- This case represents a rare but significant complication of alumina dental implants.
- The findings underscore the importance of considering material properties and historical performance data in dental implantology.
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