Related Experiment Videos
The locking taper attachment for implant abutments: use and reliability
1Department of Restorative Dentistry, Tufts University School of Dental Medicine, Boston, MA 02111, USA.
Implant Dentistry
|January 1, 1996
Summary
The locking taper abutment attachment for dental implants demonstrates high reliability. This friction-retained system showed a very low failure rate in a large retrospective study of implant restorations.
Area of Science:
- Dental Implantology
- Biomaterials Science
- Prosthodontics
Background:
- The locking taper abutment attachment utilizes a 1.5-degree taper for friction-based retention.
- Traditional screw-retained abutments are common, but friction-fit systems offer an alternative.
- Assessing the long-term clinical performance of locking taper abutments is crucial.
Purpose of the Study:
- To evaluate the reliability and failure rates of the locking taper abutment attachment in dental implants.
- To analyze clinical data from a large cohort of consecutively loaded implants using this system.
- To document the incidence of abutment fractures and loosening.
Main Methods:
- Retrospective analysis of 1,757 consecutively loaded dental implants.
- Data collected from three dental practices over 4-7 years.
- Review of implant restorations utilizing the locking taper abutment attachment.
Main Results:
- A low abutment post fracture rate of 0.05% (9 out of 1,757 implants).
- A loosening rate of 1.7% (31 out of 1,757 implants), with successful reinsertion.
- The study encompassed 504 implants over 7 years and 1,253 implants over 4 years.
Conclusions:
- The locking taper abutment attachment exhibits a high degree of reliability for dental implant restorations.
- The friction-based retention system demonstrates a favorable clinical outcome with minimal mechanical failures.
- This attachment system is a viable and dependable option in implant prosthodontics.