Tooth sensitivity is a common dental issue that affects millions of people. If you’ve experienced a jolt of pain shooting through your teeth when sipping on a hot beverage or eating ice cream, you’ve experienced tooth sensitivity. But what causes tooth sensitivity, and how can you avoid uncomfortable feelings when eating your favorite foods and drinks? 

Understanding Tooth Sensitivity

Tooth sensitivity, also known as dentin hypersensitivity, is characterized by a sharp temporary pain in response to specific triggers like hot, cold, sweet, or acidic foods and drinks. To understand why this happens, let’s take a closer look at the structure of your teeth. 

Your teeth consist of several layers: 

  • Enamel: The hard protective outer layer. 
  • Dentin: The sensitive layer beneath the enamel.
  • Nerve Endings: The innermost part of the tooth where the nerves reside. 

Common Causes of Tooth Sensitivity

  1. Dental Erosion: Dental erosion occurs when the enamel of your teeth wears away due to the effects of acidic substances. Consuming acidic foods and drinks, such as citrus fruits and soda, can contribute to erosion. To prevent this, rinse your mouth with water after consuming acidic foods and consider using a straw to minimize contact with your teeth.
  2. Gum Recession: Gum recession exposes the tooth roots, which are more sensitive than the enamel. It can result from factors like aggressive brushing or gum disease. Maintaining proper oral hygiene and using a soft-bristle toothbrush can help prevent gum recession.
  3. Tooth Decay: Cavities, or tooth decay, can also lead to sensitivity. Regular dental check-ups, daily oral hygiene, and a balanced diet low in sugary foods can help prevent tooth decay. 
  4. Teeth Grinding (Bruxism): Bruxism, the habit of grinding or clenching your teeth, can wear down the enamel and cause sensitivity. Wearing a custom-made mouthguard at night can protect your teeth from bruxism-related damage.
  5. Teeth Whitening: While teeth whitening can enhance your smile, it may lead to temporary sensitivity. Using desensitizing toothpaste before and after whitening and following recommendations by professionals can help minimize this discomfort.

Other Contributing Factors

In addition to the common causes, factors like cracked teeth or recent dental procedures can contribute to tooth sensitivity. If you experience sensitivity and are unsure about the reason, it’s essential to consult with a dentist for a proper diagnosis. 

Preventive Measures 

Prevention is the key to addressing tooth sensitivity. Here are some practical tips to help you protect your smile: 

  • Maintain a consistent oral hygiene routine, including brushing and flossing. 
  • Use a soft-bristle toothbrush and gentle brushing techniques. 
  • Limit your consumption of acidic and sugary foods and drinks 
  • Consider fluoride treatments to strengthen your enamel. 

Treatment Options

If you’re already experiencing tooth sensitivity, don’t worry – there are treatment options available: 

  • Desensitizing toothpaste can help alleviate discomfort. 
  • Fluoride treatments can strengthen enamel. 
  • Dental procedures like bonding or inlays can be used for more severe cases. 


Tooth sensitivity can be uncomfortable, but it’s a condition that can be managed with the right approach. By understanding the causes and taking preventive measures, you can enjoy your favorite foods and drinks without worry of discomfort. Remember, if you’re experiencing tooth sensitivity, don’t hesitate to reach out to Gentle Dentistry for personalized advice and treatment options. 

Contact Gentle Dentistry to schedule an appointment with our experienced team of professionals. We’re here to help you achieve a pain-free, healthy smile.