Effectiveness of Real-Time Volatile Sulphur Compounds Biofeedback as a Motivational Tool in Non-Surgical Periodontal Therapy: A Quasi-Experimental Parallel-Group Trial.

Researchers compared real-time volatile sulphur compound biofeedback against standard oral hygiene instruction in people with periodontitis. Both approaches significantly improved plaque and bleeding measures, though biofeedback showed faster early reduction in bleeding, with outcomes equalising by study end.

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.