You may have a temporary problem with sensitive teeth. Some people have one or more teeth that are extremely sensitive, and others suffer from this condition all of the time. The causes of this problem are often difficult to pinpoint, but they tend to come from one of several causes. In most cases, treatment is as simple as changing your oral hygiene routine. The symptoms can vary from mild to extreme, and there is no one treatment that will help you eliminate the pain and sensitivity from your mouth.