Tooth Sensitivity


Being summer time you may want to enjoy an ice cream or sno cone, and while these things are not great for your teeth, I realize that most people want to enjoy a treat every now and then.  Some of you however, suffer from cold sensitivity and can’t truly enjoy these summer indulgences. Let's discuss some possibilities and options that may help relieve these symptoms so you can actually relax and enjoy a cold treat.

Cold sensitivity is one of the most common complaints of my patients, even those without any major problems.  First and foremost you should visit a dentist to make sure there is no underlying nerve problems, cavities, or pathology that needs to be addressed.  If you get the all clear from your dentist but still experience cold sensitivity you may want to try some over-the-counter products. There are several sensitive toothpastes that are very effective at relieving what we call “root sensitivity”.  I will explain what that means in just a moment. You should look for a toothpaste that has an active ingredient for sensitivity such as potassium nitrate and/or sodium fluoride. Some toothpastes that I recommend for my patients are Sensodyne , Crest Sensi-Relief, and Colgate Sensitive.  You may find some of these products with whitening added but be aware that most whitening products actually increase tooth sensitivity and should be avoided if you are trying to alleviate cold sensitivity.


As I mentioned before, these products help alleviate “root sensitivity”.  The top of the tooth is covered by enamel which protects the tooth from experiencing sensitivity to hot,cold and sweets.  The root however does not have this protective enamel covering. Composed of dentin and cementum, the root has tubules that communicate with the nerve of the tooth and cause sensitivity.  Ingredients such as potassium nitrate and fluoride cover the end of these tubules and alleviate the pain associated by the exposed dentin surface. If you wear the enamel down on the top of the tooth and have an area of exposed dentin, these products are effective at reducing sensitivity associated with exposed dentin on the top of the tooth as well.


From my experience it may take a few weeks for you to notice a difference with these products.  You can also speak with your dentist about prescription fluoride pastes as well as MI paste which many dentist carry in-office.  If the pain is severe or lingers for several minutes after a cold exposure these products are not the answer and you should see your dentist right away to have the tooth/teeth evaluated.  Also, when spluring to a cold treat - opt for sugar free options to help prevent tooth decay.


Joshua Grooms, DDS

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