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New Light-Based tool could replace X-Rays for Kids' cavities

NCT ID NCT07041164

Diagnosis Sponsor: Sawanya Prutthithaworn 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looks at two methods for finding cavities between baby molars in children aged 4 to 10: standard X-rays and a newer light-based technique. Researchers want to see which method is more accurate and which children prefer. About 174 children will participate, and their comfort will be measured using a simple pain scale.

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

About 174 people

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

Started

Aug 2025

Expected to finish

Apr 2026

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

Pediatric dental clinic

Ages

4 to 10 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: * Healthy Children aged 4-10 years * Low risk for periodontal disease * At least one quadrant contains fully erupted, well-aligned adjacent primary molars that are free of restorations, exhibit no clinically visible cavitated caries, demonstrate tooth mobility of grade 2 or less, show no developmental dental anomalies * Bitewing radiographs show at least one radiolucent lesion in the proximal surface of a primary molar classified as RA2 or RA3 according to the ICDAS II radiographic criteria Exclusion Criteria: * Root resorption exceeding two-thirds of the root length * Demonstrate Frankl's behavior rating scale of 1 during either near-infrared light transillumination examination or tooth separation

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Conditions

The condition(s) this trial relates to.

dental caries disease

As listed by the trial registrant

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

Dental caries (diagnosis) Diagnostic imaging Optical imaging Proximal dental caries Radiographic image interpretation, computer-assisted Tooth, deciduous

How to take part

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

  1. The places running it

    2 sites. 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

  • Dental Hospital, Faculty of Dentistry, Mahidol University (Phayathai Campus)

    NOT_YET_RECRUITING

    Bangkok, 10400, Thailand

  • Dental Hospital, Faculty of Dentistry, Mahidol University (Phayathai Campus)

    RECRUITING

    Bangkok, 10400, Thailand

More trials for these conditions

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