Experiencing discomfort or sensitivity after a dental filling is common. Dental fillings are a routine procedure to address cavities, restoring tooth structure and function. While the goal is to alleviate prior pain, the process can temporarily irritate the tooth. This discomfort is a normal part of the tooth’s adjustment and healing.
Common Reasons for Post-Filling Discomfort
A tooth may ache or feel sensitive after a filling for several reasons. One cause is temporary inflammation of the dental pulp, the tooth’s innermost part containing nerves and blood vessels. Drilling and preparation during the filling procedure can irritate these nerve endings, particularly if the cavity was deep or close to the pulp. This irritation can lead to sensitivity to temperature changes, such as hot or cold foods, beverages, or air.
An uneven bite is another reason for discomfort. If the filling material is slightly too high, it creates an uneven contact point when you bite down, causing increased pressure on the newly filled tooth. This can result in pain or tenderness when chewing. Sensitivity can also arise from the specific filling material used. For instance, composite resin fillings may cause temporary sensitivity if they shrink slightly, creating a tiny gap beneath the filling.
Expected Duration and Management
Post-filling discomfort typically subsides within a few days to a few weeks as the tooth heals and adjusts to the new filling. For most patients, these sensations fade within two to four weeks. The duration can vary depending on the size and depth of the filling; deeper cavities may lead to longer-lasting sensitivity.
Managing discomfort at home often involves simple strategies. Over-the-counter pain relievers like ibuprofen or acetaminophen can help reduce pain and inflammation. Avoiding extreme temperatures, such as very hot or cold foods and drinks, can also minimize sensitivity. It is advisable to avoid chewing on the treated side of the mouth for a day or two to allow the filling to settle. Using a desensitizing toothpaste can help alleviate prolonged sensitivity.
When to Seek Professional Advice
While some post-filling discomfort is normal, certain signs indicate a more serious issue requiring dental attention. If pain persists beyond two to four weeks or worsens, it is a cause for concern. Sharp, throbbing, or radiating pain that does not improve, or pain preventing sleep, warrants immediate evaluation.
Other red flags include swelling or redness around the filled tooth, which could suggest an infection. A fever accompanying tooth pain indicates a potential infection. If biting down feels uneven or causes severe discomfort that interferes with daily activities, the filling may need adjustment. These symptoms suggest an underlying issue your dentist should assess promptly.