Brushing and Flossing in One Device. Why just brush when you can get Complete Care. Brushing alone is not enough, even with a high-end Sonic Toothbrush. Waterpik Complete Care 5.0 combines Water Flosser and Sonic Toothbrush technologies to create a perfect daily oral care routine. Brushing and flossing is now possible with one convenient device that saves counter space and power outlets. And it's perfect for anyone with braces and those with crowns, bridges, and veneers.