Heat pads vs. massage guns: which soothes a tight jaw best?
NCT ID NCT07237087
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether applying heat pads or using a massage gun can reduce stiffness in the jaw muscle (masseter). Researchers will measure muscle stiffness with a special ultrasound in 40 healthy adults. The goal is to gather data that could lead to better treatments for jaw pain and disorders like TMD.
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
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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
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Nov 2025
An estimate. Start dates often move.
- Expected to finish
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Mar 2026
An estimate. End dates often move.
- 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.
- Ages
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18 years and older
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Willingness to participate to the study * Signed written informed consent Exclusion Criteria: * Inability to follow procedures or insufficient knowledge of project language, inability to give consent * a history of drug ingestion within the past week (e.g. pain relievers, muscle relaxants, botox and anti-inflammatory drugs) * systemic diseases * Contraindications listed on the massage-gun instruction manual systemic and related to the use on the masseter area.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Zentrum für Zahnmedizin
RECRUITINGZurich, Canton of Zurich, 8032, Switzerland
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