Persistent Pain After Dental Filling: Is Something Wrong? - Dentistry

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After dental filling, both the gums and teeth are very painful?


Hello Doctor, after filling a cavity in my molar, it has been very painful.
I noticed that the gap between the filled tooth and the adjacent tooth seems to have disappeared.
When I touch the filling material between the two teeth, it feels sensitive and painful, especially when rinsing with cold water (but not with hot water).
I have been experiencing pain in my daily life for two months now, and I constantly feel pressure on the adjacent healthy tooth.
The back part of my gums is also subtly painful.
Could this indicate a problem with the dental filling? Thank you, Doctor.

Niming, 30~39 year old female. Ask Date: 2023/04/06

Dr. Lin Jiayong reply Dentistry


Hello: If the gaps between two teeth are filled without leaving any interproximal space, it can indeed be very uncomfortable.
It is recommended to see a dentist to check if a refill is necessary.

Reply Date: 2023/04/06

More Info


Persistent pain after a dental filling can be concerning, and it’s essential to understand the potential causes and implications of your symptoms. Based on your description, it seems that you are experiencing significant discomfort in the area where the filling was placed, as well as in the adjacent tooth and gums. This situation can arise from several factors related to the dental filling procedure and the condition of the teeth involved.

Firstly, it’s important to consider the possibility of an incomplete or improper filling. If the filling material does not adequately seal the cavity, it can lead to sensitivity and pain. This is particularly true if there are gaps between the filling and the tooth structure, allowing bacteria to enter and cause further decay or infection. The fact that you mentioned the space between the filled tooth and the adjacent tooth seems to be missing could indicate that the filling is not properly contoured or that there is an issue with the adjacent tooth that needs to be addressed.

Secondly, the pain you are experiencing when rinsing with cold water but not with hot water suggests that you may have a sensitivity issue, which is often associated with exposed dentin or nerve irritation. This can occur if the filling is too high, causing an improper bite, or if the filling material is irritating the pulp of the tooth. If the filling is too high, it can lead to excessive pressure on the tooth when biting down, resulting in pain and discomfort.

Additionally, the discomfort in your gums could indicate inflammation or irritation, possibly due to the filling material or the technique used during the procedure. If the filling was placed too close to the gum line, it might be causing gum irritation, leading to pain and discomfort.

Another possibility to consider is the health of the adjacent tooth. If the tooth next to the filled tooth has underlying issues, such as decay or a crack, it could be contributing to the pain you are experiencing. The pressure you feel could be a result of the adjacent tooth reacting to the filling or its own condition.

Given that you have been experiencing this pain for two months, it is crucial to follow up with your dentist for a thorough evaluation. They may recommend taking X-rays to assess the condition of the filled tooth and the adjacent tooth, checking for any signs of decay, infection, or other issues that may not be visible during a clinical examination.
In summary, persistent pain after a dental filling can arise from several factors, including improper filling placement, sensitivity due to exposed dentin, gum irritation, or issues with adjacent teeth. It is essential to communicate your symptoms clearly to your dentist and seek further evaluation to determine the underlying cause of your discomfort. Prompt attention to these symptoms can help prevent further complications and ensure that your dental health is maintained.

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