Grinding your teeth? it might be hurting your lungs and balance too
NCT ID NCT07294833
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether people with bruxism (teeth grinding or clenching) have worse lung function, breathing muscle strength, balance, and sleep quality compared to healthy people. Researchers tested 34 adults using breathing tests, balance assessments, and sleep questionnaires. The goal was to understand if bruxism is linked to these other health issues, not to test a treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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34 people
The number who actually took part.
- Started
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Jun 2023
- Finished
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Jul 2024
- Lead sponsor
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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
Seventeen individuals with bruxism and 17 healthy controls were compared.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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 (bruxism group): * Aged 18-65 years. * Diagnosed with sleep or awake bruxism by a dentomaxillofacial radiologist. * Diagnosis was based on subjective reports and clinical assessment according to the Standardised Tool for the Assessment of Bruxism (STAB) framework. * Classified as probable bruxism, defined as the presence of: * Self-reported behaviors (e.g., grinding, clenching, bracing), and * Clinical signs (e.g., tooth wear, linea alba, masseter hypertrophy). Inclusion Criteria (healthy controls): * Aged 18-65 years. * Recruited through public campus advertisements. * Matched for age and sex with the bruxism group. * No history or symptoms of bruxism, confirmed by self-report and clinical examination. Exclusion Criteria (applied to all participants): * History of smoking. * Respiratory conditions affecting pulmonary function (e.g., obstructive sleep apnea, chronic obstructive pulmonary disease, asthma). * Difficulty understanding or following instructions. * Presence of any dental or temporomandibular disorder other than bruxism. * History of masseter botulinum toxin injection or facial/cervical trauma. * Current use of sedatives, muscle relaxants, or centrally acting medications. * Active orthodontic treatment. * History of COVID-19 infection within the last six months.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Gazi University Faculty of Health Sciences Department of Cardiopulmonary Physiotherapy and Rehabilitation, Ankara, Çankaya 06490
Ankara, Çankaya, 06490, Turkey (Türkiye)
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