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Clinical Evaluation of Two Different Attachment System — ADLCvsLOC  

Dental Implant Clinical Trial

Official title:
Evaluation of Patient Reported Outcome Measures and Clinical Performance of Implant Supported Overdentures With Two Different Attachment Systems: A Randomized Cross Over Clinical Study

Clinical Trial Summary

Edentulous patients commonly experience a deterioration in the quality of life; both in terms of oral and general health. Studies demonstrated that conventional dentures do not adequately restore masticatory function nor quality of life. In contrast, implant-supported overdentures are considered the standard of care for edentulous patients as they offer a more stable prosthesis that ultimately results in improved oral function and patient satisfaction. Precision attachments such as studs, magnets, telescopic crowns or a bars are commonly used for implant supported overdentures. Implant overdentures supported by stud attachments gained popularity for the rehabilitation of edentulous patients as they are self-aligning, offer dual retention and compensate for divergence between implants up to angles of 40 degrees. However, it has been documented that the stud attachment system (Locators) requires a high frequency of maintenance, particularly with regard to the replacement of the matrix. In order to overcome some of these limitations of existing attachment systems, a newer system was developed consisting of a matrix made of polyetheretherketone (PEEK) instead of a polymeric material. This system has an amorphous diamond like carbon-based abutment coating (ADLC) and it was claimed to be more resistant to wear. Clinically and in vitro, no comparative studies have been performed addressing wear and retention of the traditional stud attachment and the newer ADLC attachment. Thus, the aim of the present study is to clinically and in vitro evaluate the ADLC and study attachment system.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04544839
Study type Interventional
Source University of Zurich
Contact
Status Enrolling by invitation
Phase N/A
Start date November 2, 2020
Completion date January 2028
View Details
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