Builds increasing protection against painful sensitivity of the teeth to cold, heat, acids, sweets, or contact. Aids in the prevention of dental cavities. Formulated to help protect against the effects of acid erosion. It also contains fluoride providing the benefits of a regular toothpaste. Freshen breath. Strengthen and re-harden enamel. ProNamel is also suitable for people with sensitive teeth. #1 dentist recommended brand for strengthening and protecting enamel. Dentists have been recommending Sensodyne for the past 20 years. ProNamel is from the makers of Sensodyne and is highly recommended by dentists. Brushing twice a day with Pronamel toothpaste strengthens enamel and protects against future acid attacks.