Frequently Asked Questions

  • All Topics
  • All Topics
  • Tooth Sensitivity
  • How Sensodyne Works
  • Sensodyne Ingredients
  • Sensodyne Products
  • Sensodyne and Whitening
  • Enamel Erosion

Tooth Sensitivity

How Sensodyne Works

  • Sensodyne toothpastes work in 1 of 2 ways:

    1. Sensodyne toothpastes with potassium nitrate work to soothe the nerves inside your teeth from feeling pain from triggers.
    2. Sensodyne toothpastes with stannous fluoride build a protective layer over the exposed dentin to create a barrier from painful triggers. Both formulations are proven to relieve and protect against tooth sensitivity pain when you brush twice a day, every day.

    To learn more about Sensodyne toothpastes, see our full range of products.

  • Sensodyne Rapid Relief can relieve sensitivity* in as little as 3 days, while other Sensodyne toothpastes may take up to 2 weeks.* It’s important to continue brushing with Sensodyne toothpaste twice a day, every day, for lasting tooth sensitivity relief. However, if pain/sensitivity still persists after 4 weeks of use, visit your dentist as your sensitive teeth may indicate a more serious problem. To maintain sensitivity relief, continue to use Sensodyne twice a day as your daily toothpaste.

    *With twice daily brushing

  • Use Sensodyne as your daily toothpaste, brushing twice a day, every day, for lasting tooth sensitivity relief. With Sensodyne, you can also get the benefits of fluoride, cavity protection, and fresh breath to help you maintain healthy and sensitivity-free teeth.

    Learn more about the ingredients in Sensodyne and how they work to reduce tooth sensitivity here.

  • If you stop brushing with Sensodyne toothpaste, your sensitivity can return, so it is best to make Sensodyne your daily toothpaste to get long-lasting relief. All Sensodyne toothpastes also provide the benefits of fluoride, cavity protection, fresh breath, and other benefits.

    Learn more about all the Sensodyne toothpastes here.

  • Yes. All Sensodyne products contain fluoride, which helps to protect against cavities when you brush twice a day, every day.

  • Yes. Sensodyne is a daily toothpaste specially formulated to relieve and protect against tooth sensitivity* and is the #1 dentist recommended toothpaste brand for sensitive teeth. Use it every day to help relieve tooth sensitivity and to also keep it from returning.

    *With twice daily brushing

Sensodyne Ingredients

Sensodyne Products

Sensodyne and Whitening

Enamel Erosion

  • Enamel erosion occurs when your tooth enamel, the outer, white protective layer of your teeth, wears away, which can cause you to experience tooth sensitivity. Enamel wear can happen as a result of teeth grinding, aggressive brushing, or an acidic diet. Once enamel wears away, it cannot grow back.

    Not sure if your teeth are at risk? Take our quick quiz to find out if you are showing signs of sensitivity or enamel erosion and if Sensodyne or Pronamel toothpaste is right for you.

    For more information on Pronamel, visit www.pronamel.us.

  • Over time, acidic foods and drinks—such as fruit and fruit juices, coffee and tea, ketchup, or salad dressing—can wear away your tooth enamel. This is also known as acid erosion. Other causes of enamel wear include teeth grinding and aggressive brushing.

    To help protect your teeth against enamel erosion, talk to your dentist and use a fluoride toothpaste specially formulated to help strengthen tooth enamel, such as Pronamel.

    For more information on Pronamel, visit www.pronamel.us.

  • Yes. Enamel is the hard, protective surface of the tooth. Over time, if tooth enamel wears away, it exposes the soft, yellow inner layer known as dentin. This can cause tooth sensitivity as the protection the enamel provides to the tooth and the nerves inside is reduced. This is why, if you have enamel erosion, eating ice cream or sipping hot soup can be painful.

    For more information on enamel erosion, visit www.pronamel.us.

  • Sensodyne toothpastes help relieve tooth sensitivity and Pronamel toothpastes help strengthen and protect tooth enamel. Take our quick quiz to find out if Sensodyne or Pronamel is right for you.

    For more information on Pronamel, visit www.pronamel.us.