Is It Normal to Feel Pain After Filling a Cavity?

Having a filling for a cavity can still cause sensitivity or pain?

After filling cavities between your teeth, it's normal to eat without any issues.
However, experiencing sensitivity or pain when using dental floss is not uncommon.
This could be due to the recent dental work, as the area may still be healing.
If the discomfort persists or worsens, it is advisable to consult your dentist for further evaluation.

KATH, 30~39 year old female. Ask Date: 2018/04/04

Dr. Huang Tingfang reply Dentistry

Dear Ms.
Kath,
Hello! (Sensitivity after filling a cavity) There are two possible reasons: 1.
The cavity is too deep (close to the nerve) 2.
The cavity is deep in the interproximal area, close to the tooth root.
Please communicate more with your dentist! Thank you! Wishing you well!
Sincerely,
Dr.
Huang Ting-Fang, Dentistry

Reply Date: 2018/04/04

More Info

After filling a cavity, it is not uncommon to experience some discomfort or sensitivity, especially when using dental floss or consuming certain foods. This sensitivity can be attributed to several factors related to the dental procedure and the healing process of the tooth.

Firstly, the filling material used can sometimes cause temporary sensitivity. Composite resins, which are commonly used for fillings, can lead to heightened sensitivity to temperature changes or pressure for a few days to weeks after the procedure. This is particularly true if the filling is close to the nerve of the tooth. The tooth may also be slightly irritated from the drilling process, which can contribute to discomfort when pressure is applied, such as when using dental floss.

Secondly, if the filling was placed in a deeper cavity, the tooth's nerve may be more sensitive than usual. This sensitivity can manifest as pain or discomfort when pressure is applied, such as when flossing or biting down. It is essential to monitor this sensitivity; if it persists beyond a few weeks or worsens, it could indicate an issue with the filling or the tooth itself, such as pulpitis (inflammation of the tooth's pulp) or an incomplete seal that may allow bacteria to enter.

Additionally, the technique used during the filling process can also play a role. If the filling is slightly high (meaning it protrudes above the natural tooth surface), it can cause discomfort when biting or when pressure is applied. In such cases, a dentist can easily adjust the filling to ensure it is level with the surrounding tooth structure.

If you are experiencing pain specifically when using dental floss, it may also be due to the floss catching on the filling or the surrounding gum tissue. This could indicate that the filling is not perfectly contoured to the shape of the tooth, which can sometimes happen. Proper flossing technique is crucial; using a gentle sawing motion can help prevent discomfort.

In summary, while some sensitivity after filling a cavity is normal, it should gradually decrease over time. If the pain persists, worsens, or is accompanied by other symptoms such as swelling, redness, or fever, it is advisable to contact your dentist for an evaluation. They may need to check the filling for proper placement, ensure there are no underlying issues, and provide appropriate treatment if necessary.

In the meantime, you can manage the discomfort by avoiding very hot or cold foods and drinks, using a desensitizing toothpaste, and practicing gentle flossing techniques. Regular follow-ups with your dentist will help ensure that your tooth heals properly and that any issues are addressed promptly.

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