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Braces study measures tooth blood flow to improve safety

NCT ID NCT07630818

Knowledge-focused 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 11, 2026 · Updated 5 times

Summary

This study looked at how applying orthodontic force (about 150g) to teeth affects oxygen levels in the tooth pulp. Researchers used CBCT scans and a special pulse oximeter on 35 patients aged 15-35 undergoing braces treatment. The goal was to understand how tooth anatomy and force influence pulp health, which could help make orthodontic treatment safer.

What this could mean

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

What this could lead to
If successful, this could help orthodontists apply braces more safely by understanding how tooth pressure affects blood flow.
What could go wrong
This is a small, completed observational study with only 35 participants. It does not test a treatment, so findings may not change practice directly.

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

38 people

The number who actually took part.

Started

May 2025

Finished

Sep 2026

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 35 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 aged between 15 and 35 years old. * Patients undergoing routine fixed orthodontic treatment with indications for premolar extractions and subsequent canine retraction phase. * Target canines must be vital with healthy dental pulp and no periapical pathology. * Pre-existing Cone-Beam Computed Tomography (CBCT) scans of acceptable diagnostic quality available in the patient's records, taken prior to the canine retraction phase. * Patient or legal guardian provides written informed consent to participate in the study. Exclusion Criteria: * Target canines with a history of dental trauma, extensive caries, periodontal disease, or previous endodontic treatment. * Patients with systemic diseases affecting peripheral blood circulation or microvasculature (e.g., cardiovascular diseases, severe anemia, diabetes, chronic respiratory conditions). * Patients currently using systemic vasoconstrictors or anti-inflammatory medications during the active monitoring period. * Pregnancy or lactation. * Refusal to sign the informed consent form.

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As listed by the trial registrant

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

Orthodontic

Contacts and locations

Locations

  • Can Tho University of Medicine and Pharmacy

    Can Tho, 900000, Vietnam

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