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31 May 2019 | Oral Hygiene

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Waterpik® Water Flosser: The easy and more effective way to floss

Good oral health takes work. For years, dentists and hygienists have encouraged flossing for cleaning between the teeth. However, many professionals and their patients know that flossing is not easy. But there is good news: clinical research studies now confirm the Waterpik Water Flosser is The Easy and More Effective Way to Floss™.

Recent studies show the Water Flosser is up to 50% more effective than traditional dental floss and Sonicare® Air Floss Pro (model HX8341) for reducing gingivitis and improving gum health. Whether using a manual or sonic powered toothbrush, adding the Water Flosser has consistently provided significantly better reductions in plaque and gingivitis.

Waterpik's impressive record for safety and effectiveness has been evaluated in more than 70 published clinical studies at 25 independent and university-based research centres. The Waterpik Water Flosser is clinically proven to provide significant oral health benefits to even those with braces, implants, crowns, bridges, and diabetes.

Waterpik Water Flosser: Significantly more effective than string floss for removing plaque

Comparison of two interdental devices on the reduction of plaque

Goyal CR, et al. Journal of Clinical Dentistry 2013;24(2):37-42.


To compare the plaque removal efficacy of the Waterpik Water Flosser to string floss when combined with a manual toothbrush.


Seventy subjects participated in this randomized, single use, single blind, parallel clinical study. Subjects abstained from any oral hygiene for 23-25 hours prior to their appointment. Subjects were screened and assigned to one of two groups: Waterpik Water Flosser plus a manual toothbrush, or waxed string floss plus a manual toothbrush. Instructions were provided for each product used. Each participant brushed for 2-minutes using the Bass method. Group 1 used the Water Flosser with 500 ml of warm water and group 2 used waxed string floss cleaning all areas between the teeth. Subjects were observed to make sure they covered all areas and followed instructions. Scores were recorded for whole mouth, marginal, approximal, facial, and lingual regions for each subject using the Rustogi Modification Navy Plaque Index.


The Waterpik Water Flosser was 29% more effective than string floss for overall plaque removal, 29% for approximal surfaces, and 33% for marginal surfaces.


The Waterpik Water Flosser is significantly more effective than string floss in removing plaque for all tooth surfaces.

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