Plaque and tartar causing bacteria can be found in the smallest and most difficult to reach areas of your mouth, particularly between teeth and below the gum line. These areas cannot be reached by brushing alone. The intelligent iQ+ ActiveOxi Technology within UltraDEX works with your natural oral pH level to release the appropriate amount of active ingredient to meet the individual needs of your mouth. The soft, flexible UltraDEX Wire-Free Interdental Brushes adapt to the spaces between teeth to gently and effectively remove plaque and debris. In addition the anti-bacterial agent has been shown to kill bacteria that can cause gum problems, tooth decay and plaque and also whiten teeth. Bacteria cannot become resistant to UltraDEX and regrowth is inhibited. Tapered brush, particularly suitable for tight spaces or gaps and around implants and metal filings. UltraDEX 30 Wire-Free Interdental Brushes;Effectively cleans between the teeth by removing plaque and debris;unique, anti-bacterial coating for superior interdental. UltraDEX is avaliable in: daily oral rinse, toothpaste, oral spray, interdental tape and wire-free brushes for a comprehensive oral care regime. Directions for use: Use after brushing, between meals and before rinsing. For best results use with UltraDEX Low-Abrasion Toothpaste and Daily Oral Rinse.