Halitosis: A Prospective Cohort Study Comparing Periodontal Debridement with Tongue Cleaning, Denture Biofilm Management, and Restorative Maintenance.

Among older adults with halitosis, periodontal debridement combined with tongue cleaning produced greater reductions in odor-causing volatile sulfur compounds and better overall clinical outcomes at 8 weeks than denture biofilm management or restorative maintenance, with tongue-coating reduction appearing to contribute partially to the treatment benefit.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.