What is dentinal sensitivity? When the enamel covering the teeth wears down or the gums recede from the neck of the tooth leaving it exposed, the part of the tooth connected to the nerve endings, called dentin, remains exposed and contact, for example, with cold or hot substances can cause sharp sensations of pain. This stabbing pain is a symptom of dentinal sensitivity. What are the causes? The causes can be multiple: - brushing too vigorously, possibly causing gum recession - bruxism - erosion of enamel by dietary acids - physiological wear of enamel Why use Sensodyne Complex? Used twice a day, Sensodyne Complex protects you for 24 hours from dentinal sensitivity and cleans effectively. Its specific formulation relieves pain in sensitive teeth and protects delicate gums. Fluoride also strengthens enamel and helps prevent cavities. Sensodyne Complex for the daily care of your mouth. Use Sensodyne Complex every day: - Protects for 24 hours from dentinal sensitivity - Helps keep gums healthy - Strengthens enamel - Fights cavities