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Does your head position affect jaw pain? new study investigates

NCT ID NCT07522749

Knowledge-focused Sponsor: Cairo University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study from Cairo University looked at 68 adults with chronic jaw joint problems and forward head posture. Researchers measured the angle of the head and neck and compared it to jaw symptoms and movement. The goal was to see if there is a link between poor head posture and jaw disorders.

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

68 people

The number who actually took part.

Started

Nov 2025

Finished

Jan 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.

Who is studied

Sixty-eight male and female participants aged between 18 and 40 years. All participants demonstrated measurable forward head posture, defined as a craniovertebral angle less than 50°, assessed using Kinovea software.

Ages

18 to 40 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: * Male and female with body mass index (18.5-29.9 kg/m2). * Chronic temporomandibular joint dysfunction symptoms persisting for at least 3 months, with a cut-off point score of the Fonseca's Anamnestic Index of 20 points or more * Craniovertebral angle (CVA) of less than 50°. * Participants must exhibit measurable FHP, defined as a craniovertebral angle (CVA) \<50°, assessed using Kinovea software. * Participant has mouth opening less than 40mm. * Participants haven't received any physiotherapy sessions on cervical or temporomandibular joint in last 6 weeks, nor have taken any non- steroidal anti-inflammatory drugs (NSAIDs) for the last two weeks preceding the study. Exclusion Criteria: * The subjects were excluded if they were unable to fulfil the inclusion criteria and if they had a history of any of the following: * History of acute head, neck, or Temporomandibular joint trauma or any surgical intervention in these regions within the past 6 months. * Congenital temporomandibular joint abnormalities. * Participants with congenital deformities of the head and the neck. * Participants with systemic diseases, such as rheumatoid arthritis. * Participants received physical therapy or other conservative treatments for neck pain, temporomandibular disorders, or postural correction within the past 3 months. * Major psychiatric disorders.

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Conditions

The condition(s) this trial relates to.

temporomandibular joint disorder

As listed by the trial registrant

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

Temporomandibular joint disorders

Contacts and locations

Locations

  • Mohamed Mahmoud Mousa

    Cairo, Egypt

More trials for these conditions

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