Light before the knife: could a laser zap prevent wisdom tooth swelling?

NCT ID NCT05924191

Completed Symptom relief Sponsor: University of Nove de Julho Source: ClinicalTrials.gov ↗

First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This trial tests whether shining a low-intensity laser on the gums and face an hour before wisdom tooth extraction can lessen the swelling, pain, and jaw stiffness that follow. Thirty adults with impacted lower wisdom teeth will receive either the light treatment or a placebo pill. Researchers will measure facial swelling, pain levels, and how well the jaw opens at 2 and 7 days after surgery.

What this could mean

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

Active substance: a low-intensity laser device (photobiomodulation) applied inside the mouth and on the face before surgery
What this could lead to: If effective, this light-based approach could offer a drug-free way to reduce swelling and pain after wisdom tooth surgery, speeding recovery.
What could go wrong: This is a small, early-stage trial with only 30 participants. The effect may be modest or no better than placebo, and results may not apply to other types of surgery.

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Conditions

The condition(s) this trial relates to.

Edema Pain

As listed by the trial registrant

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

MOLAR, THIRD PHOTOBIOMODULATION

Contacts and locations

Locations

Kristianne Porta Santos Fernandes

São Paulo, São Paulo, 01525-000, Brazil

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