Learn About Sensitivity

WITHOUT SENSODYNE
Nerves within the tooth are triggered by hot and cold due to worn enamel or receeding gums.
WITH SENSODYNE
Sensodyne acts as a barrier to the sensation of pain and with regular brushing builds long-lasting protection.

What causes sensitive teeth?

Under the protective enamel coating of teeth is a porous layer called dentin, made from thousands of microscopic tubules. Once this dentin is exposed, the nerve in the center of the tooth becomes susceptible to triggers such as cold food or drinks and responds with a short, sharp shock of pain.

Dentin can become exposed in two ways:
  1. Gum recession — this can lead to the exposure of dentin in the neck of the tooth. Gum recession can be caused by over-enthusiastic brushing. Alternatively, it can be caused by poor brushing, which can lead to a build-up of plaque. This build-up can cause gum disease, which can ultimately lead to gum recession.
  2. Acid Wear — this is caused by the wearing away of the protective enamel on your teeth, often caused by exposure to everyday acidic foods and drinks. Enamel on our teeth is the hardest substance in the body, but when we consume everyday foods like fruit, fruit juices, wine, carbonated beverages and vinegar-based salad dressings, that have higher acid levels, our enamel is temporarily softened. To learn more about acid wear, visit www.pronamel.ca
See how Sensodyne works