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31 Mar 2020 | Australasian Dental Practice

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Waterpik Sonic-Fusion: Twice as effective as regular brushing and flossing for removing plaque and improving gum health

Comparison of a novel sonic toothbrush to standard brushing and flossing on clinical signs of inflammation: A randomized clinical trial

Qaqish JG, Goyal CR, Schuller R, Lyle DM. Comparison of a novel sonic toothbrush to a traditional sonic toothbrush and manual brushing and flossing on plaque, gingival bleeding and inflammation: A randomized controlled clinical trial. Compend Contin Educ Dent. 2018;39(suppl 2):14-22.


To determine the effectiveness of Waterpik Sonic-Fusion in reducing plaque and the clinical signs of inflammation as compared to standard brushing and flossing.


This is a randomized, controlled, parallel clinical trial. Thirty five subjects were enrolled into each group. One group used Waterpik Sonic-Fusion, brushing for two minutes and flossing for one minute; and one group used an ADA standard toothbrush and dental floss. Gum Health was measured using bleeding on probing (BOP) and the Modified Gingival Index (MGI) at baseline, 2-weeks and 4-weeks. The Rustogi Modified Navy Plaque Index (RMNPI) scores were measured at baseline, 2-weeks and 4-weeks. All subjects were provided written and verbal instructions.


Both Sonic-Fusion and traditional brushing and flossing showed a significant reduction in plaque, BOP and MGI from baseline to 4-week (p<0.001). The Waterpik Sonic-Fusion group was more than twice as effective than the standard brushing and flossing group for all measurements.


This study demonstrates that the Waterpik Sonic-Fusion is more than twice as effective as traditional brushing and flossing for improving oral health.

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