How Long Does Pain Last After a Filling?

A dental filling is a common procedure performed to repair a tooth damaged by decay. During this process, a dentist removes the decayed portion of the tooth and then fills the area with a restorative material. While fillings are highly effective in preserving oral health, it is common and normal to experience some discomfort or sensitivity in the treated tooth afterward. This article provides guidance on what to expect regarding the duration and management of pain following a dental filling.

Understanding Post-Filling Discomfort

Pain or sensitivity after a dental filling often occurs because the procedure can irritate the tooth’s nerve. Drilling generates heat and vibration, which can temporarily inflame the pulp, the tooth’s innermost part containing nerves and blood vessels. Deeper cavities mean the filling is placed closer to the nerve, potentially leading to more pronounced irritation.

The tooth also needs time to adapt to the new filling material. Different materials, such as composite resin or amalgam, can cause varying degrees of temporary sensitivity as the tooth adjusts to the new restoration. This adaptation involves the tooth’s tissues calming down and integrating with the new structure. These factors contribute to initial discomfort, distinct from ongoing or severe pain.

Typical Pain Duration and Sensations

Mild discomfort or sensitivity following a dental filling typically subsides within a few days to a couple of weeks, though it might persist for up to two to four weeks as the tooth fully adjusts. If the discomfort gradually lessens each day, it is a positive sign that the tooth is healing appropriately.

Common sensations include sensitivity to hot or cold temperatures, particularly when consuming beverages or foods. Pressure sensitivity, especially when biting down, is also common. A mild aching sensation in the filled tooth may also occur. These temporary sensations are part of the tooth’s normal healing and adaptation process.

Relief Strategies

Several practical approaches can manage mild post-filling discomfort at home. Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help alleviate pain and reduce inflammation. Using a toothpaste for sensitive teeth can also provide relief by blocking sensations from reaching the tooth’s nerve.

Avoiding extremely hot, cold, or sugary foods and beverages prevents triggering sensitivity. Chewing on the opposite side of the mouth for a few days can help reduce direct pressure on the treated area. Maintaining good oral hygiene, including gentle brushing and flossing, is important for healing. Rinsing the mouth with warm salt water several times a day can further reduce inflammation and promote healing.

When to Seek Dental Advice

While some discomfort after a filling is normal, certain signs and symptoms indicate that professional dental advice is necessary. Contact your dentist if you experience severe, throbbing pain that worsens or persists beyond two to four weeks. Pain that interferes with sleep or daily activities is also a cause for concern.

Signs of a possible infection, such as swelling around the tooth or gums, fever, or a foul odor, warrant immediate attention. If the filling feels too high, causing an uneven bite or significant discomfort when biting down, it may need adjustment. A cracked or loose filling, or symptoms of an allergic reaction like itching, rash, or swelling, require prompt contact with your dental professional.