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Teeth grinding linked to poor posture and jaw pain in new study

NCT ID NCT07560670

Knowledge-focused Sponsor: Istanbul Kent University Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looked at 48 young adults (24 with bruxism, or teeth grinding, and 24 without) to understand how jaw function, posture, muscle stiffness, pain, stress, and sleep quality are connected. Researchers used special tools to measure posture, muscle tightness, and pain levels. The goal was to learn more about the many effects of bruxism, which could help guide future treatments.

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

50 people

The number who actually took part.

Started

Oct 2025

Finished

Apr 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

In the literature, a moderate correlation has been found between the jaw functional limitation scale and pain level in temporomandibular joint dysfunction (r=0.3-0.4). Based on the results of the relevant study, G-power analysis was used to calculate the sample size. The expected effect size for our study was considered moderate at 80% power and an alpha value of 0.05 (effect size=0.4), and we planned to include 24 bruxism patients and 24 healthy individuals.

Ages

18 to 30 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: * Individuals diagnosed with bruxism following a physical examination and assessment questionnaire administered by a specialist dentist were included in the study. * Being between the ages of 18 and 30 * Having jaw pain that has persisted for at least 3 months * Patients who described pain in the face, temporal region, or ear, and who had pain detected in the masticatory muscles upon palpation. * Volunteering to participate in the study * Cooperative individuals with whom mutual communication is possible * Literate Exclusion Criteria: * History of surgery or trauma to the maxillofacial region * Active infection in the maxillofacial region * Presence of cysts, tumors, or malignant pathologies affecting the TMJ region and muscles * Presence of systemic rheumatic disease or musculoskeletal diseases affecting the bones * Presence of any neurological problem that would preclude evaluations * Diagnosis of any psychiatric disorder * Receiving physiotherapy or other treatment methods for the TMJ or cervical spinal region within the last 6 months

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Conditions

The condition(s) this trial relates to.

bruxism insomnia temporomandibular joint disorder

As listed by the trial registrant

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

Bruxism Muscle stiffness Pain assessment Posture Sleep quality

Contacts and locations

Locations

  • Istanbul Kent University

    Istanbul, Turkey (Türkiye)

More trials for these conditions

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