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Prosthetic failures in dental implant therapy
Irena Sailer1, Duygu Karasan1, Ana Todorovic1,2
1Division of Fixed Prosthodontics and Biomaterials, University Clinics for Dental Medicine, University of Geneva, Geneva, Switzerland.
Periodontology 2000
|February 1, 2022
Summary
Dental implant prostheses show high survival rates, but complications like fractures and chipping can occur. Careful planning and material selection are crucial for long-term success in implant dentistry.
Area of Science:
- Dental Implantology
- Prosthodontics
- Biomaterials
Background:
- Implant-supported prostheses (fixed and removable) are standard for missing teeth.
- Systematic reviews show high 5-year survival rates for implant-retained fixed dental prostheses (97.1%) and overdentures (95%-100%).
- Survival rates alone don't capture prosthetic complications impacting overall treatment success.
Purpose of the Study:
- To analyze common technical and mechanical complications associated with implant-supported prostheses.
- To emphasize the importance of pretreatment diagnostics and material selection for long-term clinical success.
Main Methods:
- Review of systematic reviews evaluating survival and complication rates of implant-retained prostheses.
- Identification of common failure modes for fixed and removable implant prostheses.
Main Results:
- Common complications for fixed prostheses include crown/abutment fracture and ceramic chipping.
- Overdenture complications involve fracture, chipping, and mechanical issues with attachments.
- High survival rates are reported, but complications significantly affect treatment outcomes.
Conclusions:
- Comprehensive pretreatment diagnostics, including prosthetic goals and 3D implant positioning, are essential.
- Appropriate prosthesis type, implant components, and material selection are critical for minimizing complications and ensuring long-term treatment success in implant dentistry.
