Completed PHASE4 INTERVENTIONAL 2-arm NCT00782171

Evaluation of Immediate Versus Delayed Loading of Dental Implants With a Modified Surface

Immediate and Delayed Loading of 4.1 mm and 4.8 mm Implants in the Posterior Mandible & Maxilla: A Controlled Randomized Study of Single or 2-4 Unit Restorations Loaded Immediately After Surgery or Four Weeks After Surgery

Sponsor: Institut Straumann AG

Conditions Partial Edentulism

Interventions SLActive dental implant

Updated 7 times since 2017 Last updated: Apr 6, 2017 Started: Jul 31, 2004 Primary completion: Oct 31, 2006 Completion: Feb 28, 2010

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00782171, this PHASE4 trial focuses on Partial Edentulism and remains completed. Sponsored by Institut Straumann AG, it has been updated 7 times since 2004, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE4
Sep 2024 — Sep 2025 [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jun 2018 — Jan 2021 [monthly]

Completed PHASE4

▶ Show 2 earlier versions

Aug 2017 — Jun 2018 [monthly]

Completed PHASE4
Jan 2017 — Aug 2017 [monthly]

Completed PHASE4

First recorded

Jul 2004

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Institut Straumann AG

Data source: Institut Straumann AG

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Barcelona, Spain , Belfast, Ireland , Boca Raton, United States , Bochum, Germany , Coimbra, Portugal , Dublin, Ireland , Falun, Sweden , Fürth, Germany , Hamburg, Germany , Indianapolis, United States and 9 more locations