Can a standard jaw questionnaire work in greek?
NCT ID NCT07789197
First seen Aug 27, 2026 · Last updated Aug 28, 2026 · Updated 1 time
Summary
Researchers at the University of Thessaly are testing whether the Jaw Functional Limitation Scale-20, a questionnaire that measures how much jaw problems limit daily activities, works for Greek-speaking adults with temporomandibular joint disorder. The study enrolls 200 Greek-speaking adults over 18 with the condition. Participants fill out the questionnaire so researchers can check its accuracy and adapt it for Greek culture and language.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If the scale proves reliable in Greek, it could give Greek-speaking clinicians a standard tool to measure jaw limitations in people with TMJ disorder.
- What could go wrong
- This is a validation study, not a treatment trial. It may show the scale needs adjustments or does not perform as well in Greek, and it does not test any therapy.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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200 people
The number who actually took part.
- Started
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Nov 2025
- Finished
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Aug 2026
- 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
Patients treated for temporomandibular joint disorders in UHL
- 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.
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: * adult patient \>18 years old * native speakers of the Greek language * willing to participate Exclusion Criteria: * any diagnosed neurocognitive dysfunction * any diagnosed systematic disease that forbids the participation in the study
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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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Larissa University Hospital
Larissa, Thessaly, 41110, Greece
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Other studies related to the condition(s) this trial covers.
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