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Sound waves vs. tooth pain: can 11-Hz beats soothe orthodontic discomfort?

NCT ID NCT07771920

Symptom relief Sponsor: Aga Khan University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 19, 2026 · Last updated Aug 20, 2026 · Updated 1 time

Summary

This trial tests whether listening to alpha-frequency binaural beats—a type of auditory stimulation that may promote relaxation—can reduce pain and anxiety after orthodontic separator placement. Participants aged 15-30 with mild crowding will be randomly assigned to either listen to a 5-minute binaural beat audio or rest quietly after the procedure. Pain, anxiety, and painkiller use will be measured at several time points over 48 hours to see if this simple, non-drug approach offers relief.

What this could mean

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

Active substance
Alpha-frequency binaural beat music delivered via stereo headphones
What this could lead to
If effective, this could offer a simple, drug-free way to reduce pain and anxiety during early orthodontic treatment, improving patient comfort.
What could go wrong
This is a small, early-stage trial, and the effect may be modest or not generalizable. The intervention is brief and may not significantly reduce pain for 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 72 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 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.

Ages

15 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 15-30 years. * Permanent dentition. * Mild crowding (≤3 mm arch length discrepancy). * Good periodontal health. * Requirement for fixed orthodontic treatment. * Requirement for bilateral maxillary first molar banding. * Requirement for placement of four elastomeric separators, consisting of one separator mesial and one separator distal to each maxillary first molar. * Ability to understand study instructions and complete study assessments. * Willingness to use stereo headphones. * Provision of written informed consent. Exclusion Criteria: * Previous fixed orthodontic treatment. * Congenital or acquired hearing impairment. * Use of hearing aids or assistive listening devices. * History of tinnitus, hyperacusis, or sound sensitivity. * Active ear infection. * Recent upper respiratory tract infection associated with ear symptoms. * Neurological disorders. * Psychiatric disorders requiring treatment, including anxiety and depressive disorders. * Current use of analgesics, anti-inflammatory medications, antidepressants, anxiolytics, antipsychotics, or sedatives. * Chronic pain disorders. * Active periodontal disease or significant gingival inflammation. * Active dental pain, pulpal pathology, or oral infection. * Inability or unwillingness to use stereo headphones. * Inability to understand study instructions or complete study assessments.

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Conditions

The condition(s) this trial relates to.

anxiety anxiety disorder

As listed by the trial registrant

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

Anxiety Orthodontic pain (D013850)

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

  • Aga Khan University Hospital

    Karachi, Sindh, 74800, Pakistan

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