Many people suffer from sensitive teeth and a common first line of defence is desensitizing toothpaste.  They take up to a week or more to work and must be constantly used to maintain desensitization.  Other reasons may be tooth clenching or exposure to acids from fruits or other dietary items.  We really need to see you in order to determine what to do to treat it.  We have powerful in-office treatments that last up to a year and can give you relief right away.