CompletedNot Applicable

Zirconia Bars for Mandibular Implant Overdentures

Switzerland30 participantsStarted 2013-01-24

Plain-language summary

Purpose: To assess the clinical and radiographic outcomes of computer-aided designed and manufactured (CAD-CAM) zirconia bars supporting mandibular implant-retained overdentures (IODs) after a 3-year follow-up. Methods: A prospective observational single-center study involving 30 edentulous patients rehabilitated with two mandibular implants and a mandibular implant overdenture supported by a computer-aided design - computer-assisted manufacturing zirconia bar with distal extensions was performed assessing clinical and radiographic parameters.

Who can participate

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Edentulous individuals for more than one year. * Individuals with sufficient anatomical bone conditions in the interforaminal area to place implants of 4.3mm in diameter and at least 10.0mm in length without bone augmentation needs. * Written consent to participate and to attend the study and the yearly follow-ups. Exclusion Criteria: * Individuals suffered from psychiatric problems. * History of cerebrovascular or cardiovascular accident within the last six months. * Uncontrolled or insulin-dependent diabetes, immuno-compromised status, current chemotherapy, and leukocyte system diseases. * Severe systemic health conditions do not allow surgical intervention with local anesthesia. * Irradiated bone. * Severe parafunctional habits * Drugs or alcohol abuse. * Insufficient oral hygiene. * Unrealistic treatment demands. * Smokers were not excluded, but a cessation protocol was suggested before the implant treatment. * Unwillingness to participate in the study.

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Implant Survival

Timeframe: 36 months

Implant Success

Timeframe: 36 months

Prosthetic Survival

Timeframe: 36 months

Prosthetic Success

Timeframe: 36 months

Radiological evaluation

Timeframe: 36 months

Radiological examination

Timeframe: 36 months

Trial details

NCT IDNCT06471881

SponsorUniversity of Bern

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2018-07-01

View on ClinicalTrials.gov More Edentulous Mouth trials

Plain-language summary

Who can participate

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.