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No X-Rays needed? new scanner spots early tooth decay in minutes

NCT ID NCT07342595

Diagnosis Sponsor: Albert Mehl 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a handheld scanner that uses safe near-infrared light to find early cavities without radiation. Fifty adults scheduled for a tooth extraction will get an extra 5-minute scan before their procedure. The scanner's results will be compared to standard X-rays and visual checks to see if it can catch decay just as well. If it works, dentists might spot problems earlier and treat them with less drilling.

What this could mean

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

Active substance
intraoral scanner with near-infrared light (iTero Lumina)
What this could lead to
If successful, this scanner could help dentists find early cavities without X-rays, allowing less invasive treatments and better prevention.
What could go wrong
This is a small, early-stage study with only 50 participants. The tool may not be as accurate as traditional methods, and results may not apply to 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 50 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Jul 2027

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 years and older

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: * All genders, minimum age for participation is 18 years * Presence of a tooth, that is already scheduled for extraction (indication for extraction diagnosed during the normal clinical service independently of this study by a qualified dentist) * Availability of a radiograph (X-ray) showing the tooth to be extracted along with adjacent teeth * Signed informed consent after a comprehensive explanation of the study is available Exclusion Criteria: * participants under the age of 18 * Addicts or participants with impaired cognitive abilities that do not allow the participant to assess the scope of the study

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Conditions

The condition(s) this trial relates to.

dental caries dentin caries

As listed by the trial registrant

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

Caries assessment Caries; dentin Caries; initial

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

  • University of Zurich - Center for Dental Medicine

    Zurich, Canton of Zurich, 8032, Switzerland

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Other studies related to the condition(s) this trial covers.