Barnes CM et al. J Clin Dent 2005; 16(3); 71-77.

2

Independent Clinical Study: March 2007. Study conducted among 105 adolescents wearing braces showed that the Waterpik^® Dental Water Jet with the Orthodontic Tip was significantly more effective than floss at removing plaque and reducing gingival bleeding.

3

Data on file

4

Sharma et all J. J Int Acad Periodontal 2006;8(3):83-88. Single Use of the Waterpik^® Sensonic^® Professional Toothbrush showed significantly greater reduction in plaque compared to the Oral-B® Sonic Complete, Sonicare^® Elite, and Oral-B^® Indicator.

5

Shibly O et al. Clinical evaluation of an automatic flossing device vs. manual flossing. J Clin Dent 2001;12:63-66.

6

Data on file