Possible Clues:

• Maker of electric brushes
• Maker of Pro 7000 electric toothbrushes
• Sister brand of Scope
• iO toothbrush maker
• ''The WOW of a professional clean'' brand
• Seller of Glide Floss
• Big brush maker
• Maker of Clic brushes
• Procter & Gamble brand
• The "B" in its name stands for "brush"