Dental Plaque Scores After 2 or 3 Minutes Toothbrushing: A Systematic Review and Meta-Analysis.

A systematic review of six studies found that brushing for three minutes removed slightly more plaque than two minutes when using manual toothbrushes with personal brushing or powered toothbrushes with professional brushing, though the clinical difference was negligible.

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.