Dentist recommend brand. 24 7 care for sensitive teeth. P p specially formulated for people with sensitive teeth. P contains fluoride to strengthen teeth and prevent decay. P gentle formula helps to protect dentine and provide effective cleaning. P with a gel stripe for extra freshness. P p what is tooth sensitivity? P teeth are protected by a hard layer of enamel. If this is damaged or worn away then the dentine underneath may become exposed and this can cause pain. P p how is tooth sensitivity caused? P gum recession exposing dentine at the gum line. Enamel erosion caused by fizzy, sweet and or acidic drinks.wearing away of the enamel caused by over enthusiastic brushing. These factors can make your teeth hypersensitive to heat, cold, sweetness, acidity or just when brushing. P p why use sensodyne extra fresh? P p sensodyne extra fresh toothpaste has been specially for people with sensitive teeth. It provides all the benefits of a regular toothpaste and the gel stripe gives an extra burst of freshness. P with regular brushing, sensodyne extra fresh helps strengthen teeth, fights tooth decay and promotes gum health. P