It is entirely reasonable to have sensitive teeth after recent dental work. Sensitivity is normal. After the dentist places a filling, the nerve becomes irritated. Thus, making the tooth sensitive. Over time, this sensitivity will subside. You can take Tylenol and Ibuprofen to help reduce sensitivity during healing. If you feel that your sensitivity has become worse and it is a for sure a "toothache after fillings," be sure to look up an “emergency dentist near me” to schedule an appointment. They can provide ideas of how to help manage your pain or get you in if necessary to examine the area. If you are unable to locate an emergency dentist, be sure to schedule an appointment with your primary dentist. He or she can then make sure your tooth is healing correctly. If you are experiencing extreme sensitivity, and it is after hours, please be sure to call an emergency dentist in Lincoln, NE. It is important that you do not wait. It's possible that they will have suggestions for things that you can try at home or depending upon the situation, they may require that you come in so they can take a closer look.