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Shining a light on braces pain: LED device tested for faster, less painful treatment

NCT ID NCT07276984

Symptom relief Sponsor: University of Medicine and Pharmacy at Ho Chi Minh City 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study tested whether a near-infrared LED device can reduce pain, speed up tooth movement, and lower the risk of root damage in people wearing braces. Sixteen Vietnamese patients aged 11 to 30 received either the real LED device or a sham device during their orthodontic treatment. Researchers measured pain levels, tooth movement, and a biomarker for root damage over several months.

What this could mean

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

Active substance
LED device emitting near-infrared light at 850nm wavelength
What this could lead to
If it works, this could offer a drug-free way to ease pain and reduce root damage during braces treatment.
What could go wrong
This is a very small, early study with only 16 people, so results may not apply to everyone. The device may not work better than a placebo.

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

16 people

The number who actually took part.

Started

Apr 2022

Finished

Oct 2025

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

11 to 30 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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 aged 11-30 years old who were required to undergo extraction of four premolars for orthodontic purposes. * Four canines erupted in both arches. * No active caries, no gingivitis, or periodontal disease was diagnosed through clinical examination and panoramic X-ray. * No history of previous orthodontic treatment. * No abnormality in tooth shape, number, or size. Exclusion Criteria: * Patients who smoked, had systemic diseases, and/or were using medications that could affect pain sensation. * Patients who are diagnosed with severe root resorption based on their panorama X-ray image.

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Conditions

The condition(s) this trial relates to.

agnosia Pain root resorption

As listed by the trial registrant

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

Orthodontic Pain management Root resorption Tooth movement

Contacts and locations

Locations

  • Faculty of Dentistry, University of Medicine and Pharmacy in Ho Chi Minh city

    Ho Chi Minh City, Vietnam

More trials for these conditions

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