Dental Filling Issues: Pain After Treatment Explained - Dentistry

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Dental filling issues?


Hello, doctor.
I would like to ask about a dental filling issue: Last week, I visited a dentist due to tooth pain.
The dentist mentioned that my upper left molar might be too prominent, making it difficult to clean properly, which led to deep decay.
The dentist performed a filling and advised me to monitor the situation and return if I experienced pain.
However, the pain was too severe, so I returned the next day.
The dentist informed me that the decay had reached the nerve, which would likely cause pain for a while, and prescribed pain medication.
After taking the pain medication twice, I felt some improvement, so I stopped taking it.
Recently, whenever I eat or just finish brushing my teeth, I sometimes experience pain in the area of the filling on the upper right side, and at other times, I feel pain in the lower right side (which has no decay).
This dull pain lasts about 10 to 20 seconds.
Pressing on the filled area also causes pain, and it feels loose.
Is this phenomenon normal?

xiang jin qing yin shi, 20~29 year old female. Ask Date: 2016/02/22

Dr. Zeng Guanghui reply Dentistry


The above situation indicates that the nerve of the tooth requiring filling has become inflamed.
It is recommended to return for an evaluation to determine whether root canal treatment is necessary.

Reply Date: 2016/02/22

More Info


It sounds like you're experiencing a complex situation following your dental filling, and I can understand how concerning this must be for you. Let's break down the potential issues and solutions regarding your dental pain after treatment.

Firstly, it's important to recognize that pain after a dental filling can be a common occurrence, especially if the cavity was deep and involved the nerve of the tooth. When a dentist fills a cavity, they often need to remove a significant amount of decayed tooth structure, which can lead to sensitivity and discomfort as the tooth adjusts to the new filling. This is particularly true if the filling is close to the pulp (the innermost part of the tooth containing nerves and blood vessels).

In your case, since the dentist mentioned that the cavity was deep and possibly involved the nerve, it's not unusual for you to experience pain. The pain you feel when eating or brushing could be due to several factors:
1. Inflammation: After a filling, the tooth and surrounding tissues may become inflamed, leading to sensitivity. This inflammation can cause discomfort when pressure is applied, such as when chewing or brushing.

2. High Filling: If the filling is too high, it can create an uneven bite, causing pain when you chew. This can lead to discomfort in the filled tooth and even in adjacent teeth, as your bite compensates for the misalignment.

3. Pulpitis: If the decay was extensive, the pulp of the tooth may become inflamed (a condition known as pulpitis), which can cause lingering pain. This pain can be sharp or dull and may be triggered by temperature changes or pressure.

4. Secondary Decay: Sometimes, if the filling is not perfectly sealed, bacteria can enter and cause new decay beneath the filling, leading to pain.

5. Cracked Tooth Syndrome: If the tooth was already weakened by decay, it might be susceptible to cracking, which can cause intermittent pain, especially when biting down.

Given your symptoms of pain that lasts for 10 to 20 seconds and the sensation of the filled tooth feeling loose, it’s crucial to follow up with your dentist. Here are some steps you can take:
- Return to Your Dentist: Since you are experiencing ongoing pain, it’s advisable to return to your dentist for a thorough examination. They may need to take X-rays to check for any underlying issues, such as pulpitis or secondary decay.

- Discuss Your Symptoms: Be sure to communicate all your symptoms clearly, including the duration and triggers of the pain. This information will help your dentist diagnose the issue more accurately.

- Consider a Bite Adjustment: If your dentist determines that the filling is too high, they can adjust it to ensure your bite is even, which may alleviate some of the discomfort.

- Pain Management: In the meantime, if the pain is bothersome, you can continue to take over-the-counter pain relievers as directed. Ice packs can also help reduce inflammation.

- Monitor Your Symptoms: Keep track of when the pain occurs and any other symptoms that arise. This information can be valuable for your dentist in determining the best course of action.

In summary, while some discomfort after a dental filling can be normal, persistent or worsening pain should not be ignored. It's essential to consult with your dentist to rule out any complications and ensure that your tooth is healing properly. They can provide the appropriate treatment to address your pain and help you maintain your oral health.

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