There are several explanations for pain around fillings, each resulting from a different cause.
This type of pain occurs when you bite down. The pain is noticed soon after the anesthesia wears off and continues over time. In this case, the filling may be interfering with your bite. You will need to return to your dentist and have the filling reshaped. If the pain still continues, it may indicate a further problem that requires additional treatment such as root canal.
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This pain is a very sharp pain that occurs only when your teeth touch something hot or cold; the pain goes away in a few seconds when the hot or cold is removed. If this pain lingers on for a long time even after the hot or cold is removed, it may indicate irreversible damage to the nerve and you should contact your dentist.
Toothache-type" constant throbbing pain
If the decay was very deep to the pulp of the tooth, this "toothache" response may indicate this tissue is no longer healthy. If this is the case, "root canal" treatment may be required.
This is pain or sensitivity in other teeth besides the one that received the filling. With this particular pain, there is likely nothing wrong with your teeth. The filled tooth is simply passing along "pain signals" it is receiving to other teeth. This pain should decrease on its own over one to two weeks.
When a person has a sensitive tooth, they may notice that certain triggers cause a temporary, uncomfortable sensation in the filled tooth or surrounding area. It may feel like a shock of cold or sudden pain that comes on quickly and goes away.
Factors that can trigger tooth sensitivity after a filling include:
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Several things can cause tooth sensitivity after a filling.
Before filling a cavity, your dentist removes the decayed part of your tooth with a drill that releases heat. In rare cases, this inflames the pulp, which is the connective tissue that forms the center of your teeth, causing pulpitis. If your dentist doesn’t remove all of the decaying tissue, it can also cause an infection in the pulp of the affected tooth. When this happens, you might notice your gums swelling or a pocket of pus near the tooth.
There are two types of pulpitis. The first is reversible pulpitis, where the tooth will be sensitive but the pulp will heal and get better. The second is irreversible pulpitis, where the pulp is unable to heal and your tooth will then need root canal treatment.
Sometimes a filling can cause the affected tooth to be taller than your other teeth. This can make it painful to close your mouth due to extra pressure on the affected tooth. In some cases, biting down can even crack the filling, so contact your dentist as soon as you notice a problem with your bite.
You might also feel pain or sensitivity from having two different surfaces in your mouth. For example, if one tooth has a gold crown, and the tooth above or below it has a silver filling, you might feel an odd sensation when they touch.
It’s also common to feel pain in the teeth surrounding the affected one. This is due to a phenomenon called referred pain, which involves feeling pain in an area other than the source of the pain.
Sensitivity after a dental filling could be an allergic reaction to the materials used in the filling. You might also notice a rash or itching nearby. Contact your dentist if you think you might be having an allergic reaction. They can redo the filling with a different material.
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When a person experiences normal, post-filling sensitivity, a dentist may recommend that they use a desensitizing toothpaste.
These products contain an ingredient called potassium nitrate that helps stop the sensations on the surface of the tooth from reaching the nerve endings inside.
These products do not work immediately, but a person should notice relief within several days if they use the toothpaste twice a day.
A person may also try the following methods at home to help relieve tooth sensitivity:
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Some sensitivity after a tooth filling is normal and temporary. Sometimes, however, sensitivity after a filling is due to other causes that need treatment or repair. Short-term tooth sensitivity after a filling usually occurs because the filling procedure has aggravated or caused inflammation in the nerve inside the tooth. Usually, the tooth's outer layers the enamel and cementum protect the nerve from exposure. A tooth that has just had a filling placed will be more sensitive to hot foods and cold foods, air temperature, and the pressure of biting. This type of tooth pain after filling a cavity should resolve within a few weeks. If not, contact your dentist.
people might experience discomfort or tooth sensitivity after filling. Most of the time, this sensitivity is normal and will resolve within a few days or week. Sensitivity from a tooth filling should go away within two to four weeks. If the sensitivity doesn't seem to be getting any better during that time, or it lasts for longer than four weeks, contact your dentist.
If the seal between the tooth enamel and the filling breaks down, food particles and decay-causing bacteria can work their way under the filling.
A kind of infection is called an abscessed tooth, or a periapical abscess. These infections don't go away on their own, so it's important to see your dentist if you think you have one. If it's not treated, it can spread to your jaw or other areas of your head or neck.
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fillings, especially deep ones, can get close to the nerve endings and cause irritation and uncomfortable sensations. As the nerve heals, the sensitivity will go away. This may take a few days or weeks. If your tooth has decay to the enamel or dentin, a simple filling is enough to repair the cavity. However, if the cavity is left untreated, the decay will reach the deepest layer of the tooth, the nerve tissue. At this point, a root canal is necessary to repair the tooth.
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Metal dental fillings do not harden immediately and often dentists will recommend waiting at least 24 hours following the dental filling before eating any solid foods. In order to avoid biting your cheek, tongue, or lips, you will probably want to wait until the local anesthetic wears off before trying to eat. Sensitivity from a tooth filling should go away within two to four weeks.
Luckily, by following some common-sense chewing tips and avoiding foods that can cause trouble after fillings, you can considerably reduce discomfort:
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