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Metal-Free tooth implants put to the test

NCT ID NCT04695899

Disease control Sponsor: University of Bern Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how well ceramic (zirconia) dental implants work for replacing a single missing tooth. About 14 people with one missing tooth received a ceramic implant and later a ceramic crown. The main goal is to see how many implants are still working over time.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

14 people

The number who actually took part.

Started

Mar 2017

Expected to finish

Feb 2030

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

General population.

Ages

18 years and older

Sex

Anyone

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria (site level): * partial edentulism (any FDI position between 17 and 47) * healed extraction site (type 2, 3 or 4 implant placement) or native bone * opposing dentition: natural teeth, fixed or removable restoration Exclusion criteria (site level): * inadequate ridge or gap dimensions for the test device (simultaneous bone augmentation allowed) * lack of primary stability of the implant Inclusion criteria (patient level): * self-referred or on purpose referred patient requiring a metal-free, all-ceramic implant therapy * age ≥18 years and ≤ 80 * capable of providing written informed consent and compliance to the protocol * physical status PS1 and PS2 (American Society of Anesthesiologists). Exclusion criteria (patient level): * pregnancy or lactation * inadequate oral hygiene * untreated periodontitis or gingivitis * mucosal diseases such as erosive lichen planus * smoking habit with \>5 cig/d * severe bruxism or clenching habits * uncontrolled diabetes or conditions resulting in or requiring immunosuppression, radiation, chemotherapy, frequent use of antibiotics or antiresorptive medication such as bisphosphonates

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Partial edentulism

Contacts and locations

Locations

  • University of Bern - Klinik für rekonstruktive Zahnmedizin und Gerodontologie

    Bern, 3010, Switzerland

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