Sensitivity toothpaste, which contains strontium chloride or potassium nitrate are very effective in treating sensitive teeth. After a few weeks of use you may notice a decrease in sensitivity. If you do not get relief by brushing gently and using a desensitizing toothpaste, see your dentist. There are special compounds that can be applied in office to the roots of your tooth to reduce, if not eliminate, the sensitivity. High-fluoride containing home care products can also be recommended to help reduce tooth sensitivity.