A comparison of the efficacy and ease of use of dental floss and interproximal brushes in a randomised split mouth trial incorporating an assessment of subgingival plaque.

Purpose: Previous studies have compared the use of interdental brushes and dental floss. However, none have attempted to compare their effects on subgingival plaque. Nor have smokers been excluded from previous studies, where they may have affected the assessment of gingival inflammation.