What to do if a tooth hurts after a filling?

April 10, 2023by DMC Tour0

What to do if a tooth hurts after a filling?

When you go to the dentist, you naturally want to get quality care so that your tooth does not bother you again. However, there are times when a tooth hurts after a filling. In this article, we will explain why this happens and what to do in such a situation.

After treatment of a tooth, you may experience a brief, minor pain – a normal reaction of the body to the intervention. However, if the discomfort lasts for a long time, you should see a doctor.

A tooth can hurt in two cases:

after a cavity has been treated and a permanent filling placed

After treatment, a root canal filling and a permanent or temporary filling

Why a tooth under a filling hurts after treatment for a cavity?

  • A tooth is affected by a cavity that is too deep. When the cavity is large and close to the pulp, it can cause discomfort after a filling. However, this usually subsides within 2 weeks. However, if the pain in the tooth is getting worse and it is keeping you awake, it means that the infection has penetrated deep down and has reached the nerve. In this case, you may have to have the nerve removed and the root canal treated.
  • Saliva infection. During dental treatment, a rubber dam must always be used. This is a special latex plate that protects the tooth from moisture. If the tooth is not insulated, saliva could get in during the filling process, which would then cause pain. Unpleasant sensations will occur when biting, namely when opening the tooth. What to do then? A dentist should be consulted immediately to determine a further course of action.
  • Overbite filling. If the filled tooth hurts when you bite down and you are experiencing constant discomfort, the filling may be too big. The fact is that cavities are treated under anesthesia and it is difficult to determine the exact height of the filling. It is difficult to tell whether it is in the way or not because there is a lot of numbness in the mouth. Therefore, if you have discomfort after the filling or if the filling seems too high, it is worth coming to the clinic again. The doctor will gently resurface it and you will be able to eat comfortably.

Why does a tooth hurt after a root canal filling?

After having a root canal filling, you may feel discomfort when biting. However, this pain gradually decreases and then goes away. If you feel worse or have fever and swelling, it means that there is severe inflammation at the root tip that needs to be treated as soon as possible.

What to do if a tooth under a filling hurts?

Don’t put off going to the doctor so it doesn’t lead to serious consequences. Seek help from an experienced specialist at DMC Tour Clinic and have the tooth reworked.

First, the dentist will carefully examine the tooth, determine the problem and assess the location of the canals. Then he will carefully remove the diseased tissues, clean the root canals with an antiseptic, and then hermetically fill them with the material. Afterward, the doctor will take a control picture to check whether any voids are left in the root canals. Only then will the doctor restore the tooth to its original shape with a quality filling material.

And to avoid pain after a root canal filling, some rules must be followed:

  • Eating soft food.
  • Reduce the pressure on the treated tooth.
  • Avoid eating food that is too hard, hot, or cold.
  • Brush, floss, and rinse regularly.
  • Avoid sweets and smoking.

Any questions? Ask us

Unpleasant feelings and discomfort after a tooth filling will go away within a few days. However, if the pain worsens and the general condition of your body deteriorates, you should come to our clinic. We will determine the cause of the pain and choose an appropriate method of treatment. In the meantime, we are waiting for your questions.


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Copyright 2022 by DMC Tour Dental. All rights reserved.

Copyright 2022 by DMC Tour Dental. All rights reserved.