Laser zaps bad breath: new study tests light therapy against Old-School tongue scraping

NCT ID NCT07433816

First seen Feb 25, 2026 · Last updated May 16, 2026 · Updated 15 times

Summary

This study tested two methods for treating bad breath: tongue scraping with mouthwash versus tongue scraping plus a special laser therapy. 48 adults with confirmed bad breath took part. Researchers measured breath odor and bacteria levels over 3 months to see which approach worked better.

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Contacts and locations

Locations

  • Department of Periodontology and Oral Mucosa Diseases

    Zabrze, Silesian Voivodeship, 41-800, Poland

Conditions

Explore the condition pages connected to this study.