Implementation and Preliminary Evaluation of a Low-Cost Sodium Hypochlorite Shock Disinfection Protocol for Dental Unit Waterlines.

Researchers tested whether a brief sodium hypochlorite treatment could reduce microbial contamination in dental unit waterlines. The treatment initially reduced bacterial and fungal counts, but bacterial levels rebounded within a week in several units, suggesting limited sustained effectiveness.

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.