Sensodyne

purposes potassium nitrate 5%.......... ..... antihypersensitivity sodium fluoride 0.24% (0.15% w/v fluoride ion).............anticavity uses builds increasing protection against painful sensitivity of the teeth to cold, heat, acids, sweets, or contact. c aids in the prevention of dental cavities. warnings stop use and ask a dentist if the problem persists or worsens. sensitive teeth may indicate a serious problem that may need prompt care by a dentist. dain/sensitivity still persists after 4 weeks of use.