
What Causes Tooth Sensitivity? Tooth sensitivity is all too common for many adults. Many patients have asked, "Why are my teeth sensitive? What can I do?" We hope this guide will provide some good information about some of the most common causes of tooth sensitivity. Please keep in mind that this is not a substitute for seeing a dentist. Some of these causes are serious and require immediate treatment, while others are a warning sign that it is time to improve your dental hygiene habits. Too Much Mouthwash - Some mouthwashes contain alcohol which can harm teeth over time and cause sensitivity. Limit rinsing to once or twice a day and use an alcohol-free mouthwash. Discuss options with your dentist to learn the best type of mouthwash. Tooth Whitening Toothpaste and DIY Tooth Whitening - Whitening Toothpaste is abrasive and may be too harsh or aggressive. Some patients overuse whitening toothpaste. Home whitening kits and natural treatments such as charcoal brushi