The Best Treatments for Teeth Sensitivity Do you know that pain is experienced when consuming cold or hot drinks because they cause pain in your teeth, then perhaps it is time to talk to your dentist about the possibility that your sensitive Has teeth. If brushing or flossing is causing you some pain, you are not alone, teeth that come in contact with hot, cold, acidic or sweet foods can cause a sudden sharp pain. . There are many reasons why people have sensitive teeth, but there are a number of treatments to help as well. What is Teeth Sensitivity? Tooth feel sensitivity or " dentin hypersensitivity " is tooth pain or discomfort from certain stimuli, such as cold or hot temperatures. Most often teeth sensitivity is caused when the tooth’s enamel is worn. It can be a temporary or chronic problem, and it can affect one tooth or several teeth in a person. It can have many different causes your sensitive teeth, but most cases of tooth sensitivity can be easily treated