Sensodyne Cavity Protection Toothpaste helps repair sensitive areas of your teeth. The active ingredient in this toothpaste acts to build a layer over sensitive teeth, helping to protect you from pain. It also contains fluoride that will provide cavity protection every time you brush. This Extra Fresh repair toothpaste not only relieves sensitivity but also helps prevent it from coming back. In addition, it will also leave behind fresh, minty breath. This sensitive toothpaste, 3.4 oz, provides proven relief from sensitivity with twice daily brushing.