Evaluating the survival of cobalt-chromium dental implants

Evaluation of Single-unit Implant-supported Prostheses Survival Using CoCr Prosthetic Abutments: Prospective Observational Study

Observational Neodent · NCT05649085

This study is testing how well cobalt-chromium dental implants work and last for people who received them at ILAPEO College between 2018 and 2022.

Quick facts

Study typeObservational
Enrollment167 (estimated)
Ages18 Years and up
SexAll
SponsorNeodent Industry-sponsored
Locations1 site (Curitiba)
Trial IDNCT05649085 on ClinicalTrials.gov

What this trial studies

This study aims to prospectively assess the survival rates of cobalt-chromium (CoCr) prosthetic abutments used in single-unit implant-supported prostheses. It focuses on confirming the long-term safety and performance of these devices in a clinical setting. The observational design will collect data from patients who have received GM dental implants from JJGC at ILAPEO College between 2018 and 2022, specifically those using healing abutments or cover screws. The study will evaluate the effectiveness of CoCr abutments in maintaining prosthesis stability over time.

Who should consider this trial

Good fit: Ideal candidates are patients over 18 years old who have received GM dental implants from JJGC and are using healing abutments or cover screws.

Not a fit: Patients requiring more than three single-unit prostheses with CoCr abutments or those with contraindications according to the instructions for use may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide evidence for the long-term reliability of CoCr prosthetic abutments, improving patient outcomes in dental implant procedures.

How similar studies have performed: Other studies have shown positive outcomes with similar approaches in evaluating dental implant prostheses, suggesting a foundation for this investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients over 18 years of age
* Patients who had GM dental implants from JJGC installed at the ILAPEO College, between 2018 and 2022
* Patients who are using a healing abutment or cover screw and are able to install single-unit, screwed or cemented prostheses, in the maxilla or mandible, which require abutments with greater transmucosal height (due to reduced interocclusal height and/or bone loss)
* Patients presenting antagonist teeth to the implant region

Exclusion Criteria:

* Patients presenting contraindications according to the IFU (instructions for use)
* Patients who require the installation of more than 3 single-unit prostheses with CoCr abutments.

Where this trial is running

Curitiba

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Missing TeethProsthesis Survivaldental implantsdental prosthesis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.