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Is it normal to have hot and cold sensitivity after a filling?

Author

John Castro

Published Mar 20, 2026

Is it normal to have hot and cold sensitivity after a filling?

What is tooth sensitivity? Having sensitive teeth is when you experience mild ache or discomfort in the teeth when they encounter hot or cold drinks. This is a normal side-effect a patient can get after dental works such as cavity fillings or tooth extractions.

Do composite fillings make your teeth sensitive?

The range of sensitivity is different for every patient. In a normal-small to moderate size filling, sensitivity to cold temperatures usually subsides within a couple of weeks. If the temperature sensitivity persists longer than that, it may be normal for you, but should slowly shows signs of improvement.

Can you have a reaction to composite fillings?

In very rare occasions, patients may experience an allergic reaction to the composite resin. Usual symptoms include a skin rash or itchiness. If this occurs, your Corpus Christi dentist will replace your filling with a material you are not allergic to.

How do you stop sensitivity after a composite filling?

Postoperative sensitivity linked to microleakage and can be reduced by pre-conditioning the tooth with air abrasion of the cavity 8 or low level laser treatment of the tooth before restoration on the axial wall of Class V cavities.

How long can tooth sensitivity last after a filling?

Usually, the sensitivity resolves on its own within a few weeks. During this time, avoid those things that are causing the sensitivity. Pain relievers are generally not required. Contact your dentist if the sensitivity does not subside within two to four weeks or if your tooth is extremely sensitive.

Why is my tooth so sensitive after a filling?

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.

How long does tooth sensitivity last after filling?

Can a composite filling make you sick?

There aren’t many risks associated with getting a composite dental filling. Overall, these fillings are considered to be safe and effective. Your tooth may feel more sensitive to cold or pressure for a week or two after you receive a composite resin dental filling.

How long does it take for sensitivity to go away after a filling?

How long will the sensitivity last? 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.

How long does Sensitivity last after filling?

Why does my tooth hurt worse after a filling?