Possible Clues:

• Famous name in toothbrushes
• Dental brand
• Big name in dental products
• Maker of the Triumph FlossAction Power Toothbrush
• Pulsonic toothbrush maker
• Sister brand of Crest
• Brand created by a periodontist in the 1950s
• Brand of toothbrushes
• Waterpik rival
• Dental floss brand