It’s relatively common for you to have some pain or sensitivity in the treated tooth after a filling. After all, a dentist was just poking around and drilling in the tooth. Usually, any discomfort should fade after a day or two. So why do some people experience tooth pain after a filling? There are many reasons you might feel a bit of pain or sensitivity after a dentist fills your tooth beyond the normal discomfort.
One common reason for pain in a tooth after you get a filling is that the filling isn't positioned quite right, and it's interfering with your bite. A filling that is too high can cause malocclusion, which prevents the teeth from fitting together correctly when you bite down. Your dentist can adjust the height of your filling so that you can bite down with comfort and ease.
Type of Filling
The type of filling your dentist used can also cause sensitivity or discomfort in the tooth. For example, sensitivity is fairly common when a composite resin material is used in the filling and may result from the filling shrinking slightly and creating a gap beneath it. There are many ways to cope with or eliminate sensitivity due to a composite filling, from using a different material or changing the method used to place the filling.