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Light therapy showdown: can lasers or LEDs speed up braces?

NCT ID NCT07810699

Symptom relief Sponsor: Can Tho University of Medicine and Pharmacy 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 10, 2026 · Updated 1 time

Summary

Researchers compare two types of light therapy, diode laser and LED, to see which better helps move canine teeth during braces. Thirty-four people who need two upper premolars removed for orthodontic treatment take part. Each person receives both treatments, one on each side of the mouth, so the two methods can be compared directly. The study tracks tooth movement, pain, blood oxygen in the tooth pulp, and changes in tooth roots and bone over 16 weeks.

What this could mean

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

Active substance
photobiomodulation using a diode laser or LED light device
What this could lead to
If one light therapy works better, orthodontists could use it to shorten braces treatment time and reduce discomfort for patients who need premolar extractions.
What could go wrong
This is a small study of 34 people with a specific bite pattern, so results may not apply to everyone. Light therapy might not make a meaningful difference, and the extra appointments and scans add burden without guaranteed benefit.

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 34 people

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

Started

Jan 2026

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

15 to 40 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 with complete permanent dentition and cervical vertebral maturation at CS5 or CS6 according to the Baccetti classification. * Angle Class I malocclusion. * Indication for fixed orthodontic treatment requiring bilateral extraction of the maxillary first premolars. * Similar position, morphology, and dimensions of the maxillary canines on both sides. * No previous orthodontic treatment. * Willingness to participate in the study and provision of informed consent. Exclusion Criteria: * Patients with bleeding or coagulation disorders, diabetes mellitus, bone diseases, or periodontal diseases. * Use of medications that may affect orthodontic tooth movement or coagulation, including aspirin, heparin, warfarin, nonsteroidal anti-inflammatory drugs, or glucocorticoids. * History of maxillofacial trauma or craniofacial anomalies. * Smoking. * Pregnancy. * Requirement for extraction of teeth other than the first premolars.

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As listed by the trial registrant

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

Malocclusion class I

How to take part

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  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

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Contacts and locations

Locations

  • Saigon Dental Clinic - Dr. Lam

    RECRUITING

    Can Tho, CAN THO, Vietnam

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