Jaw massage trick may help you open wider, study suggests

NCT ID NCT07670832

First seen Jun 27, 2026 · Last updated Jun 30, 2026 · Updated 2 times

Summary

This study tests whether a specific hands-on jaw technique (compression and decompression) can increase how wide people can open their mouths and improve jaw muscle tone and stiffness. Researchers will compare the technique to a gentle touch without any therapeutic intent. The study involves 32 healthy adults, with measurements taken right after the session and again one week later.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Osteopathic manual technique (jaw compression and decompression)
What this could lead to
If it works, this could point toward a simple, drug-free way to improve jaw mobility and muscle function.
What could go wrong
This is a very small, early study in healthy people, not patients. The technique may not have any meaningful effect, and results may not apply to people with jaw disorders.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Asymptomatic Diseases

As listed by the trial registrant

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

Contacts and locations

Locations

  • Escola Superior de Saúde (E2S)

    Porto, 4200-072, Portugal

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