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Dental implant showdown: which material fends off bacteria better?

NCT ID NCT06075017

Knowledge-focused Sponsor: Universidad Complutense de Madrid Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 pilot study compares how much bacteria (biofilm) builds up on zirconia versus titanium dental implants. Researchers will place 15 zirconia and 15 titanium single implants in 40 patients and measure biofilm levels, gum health, and bone loss at 3, 6, and 12 months. The goal is to see if one material leads to fewer infections and better long-term outcomes.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
dental implant (zirconia or titanium)
What this could lead to
If zirconia implants collect less harmful bacteria, they could reduce the risk of implant infections and improve long-term dental implant success.
What could go wrong
This is a small pilot study with only 40 participants, so results may not apply to everyone. The findings are observational and won't directly prove which material is better for all patients.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Dec 2027

An estimate. Start dates often move.

Expected to finish

Dec 2028

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.

Ages

18 to 99 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Patients of both sexes of legal age. * Patients ASA I, II and III. * Subsequent to the placement of a single implant. * Patients who accept the surgery and sign the informed consent. Exclusion Criteria: * Pregnant or breastfeeding women * Patients who cannot attend follow-up appointments after surgery. * Patients with implants adjacent to the area to be treated. * Patients with uncontrolled periodontal pathology. * Systemic pathology that contraindicates the surgical procedure: hepatitis or other infectious diseases, oncological treatment, untreated or uncontrolled systemic pathology: diabetes mellitus, arterial hypertension, osteoporosis, heart failure, valvular heart disease, history of endocarditis, acute myocardial infarction less than 6 months ago, stroke less than 6 months ago, history of venous thromboembolism, arrhythmias, vitamin D deficiency, Parkinson's and Alzheimer's disease, dementia, psychiatric disorders, liver disease, COPD, chronic renal failure, immunosuppressed, autoimmune diseases, inflammatory bowel disease, digestive pathology, phosphocalcium metabolism diseases, hyper- or hypothyroidism, endocrinopathies, celiac disease, collagenosis, etc. * Pharmacological treatment with anticoagulants, antiaggregants, bisphosphonates, monoclonal antibodies, serotonin reuptake inhibitors, immunosuppressants, corticosteroids, antipsychotics.

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Conditions

The condition(s) this trial relates to.

prosthesis-related infectious disease

As listed by the trial registrant

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

Implant infection

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Complutense University of Madrid

    RECRUITING

    Madrid, Madrid, 28040, Spain

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