Tooth Sensitivity After Dental Work: Causes and Solutions

Experiencing acidity when exposed to hot or cold temperatures?

Hello: Recently, I experienced sensitivity in my second to last lower right tooth when exposed to cold and hot temperatures.
I visited the dentist today, and the doctor informed me that my previous filling had come out.
The doctor replaced it with a new filling, but I still feel sensitivity to temperature changes, which I didn't experience before.
A while ago, I had my wisdom tooth extracted, and it was quite large, resulting in a significant wound.
Two weeks after the extraction, I started noticing these symptoms.
I'm unsure if this is related, but sometimes I also feel discomfort in the area of my lower right jaw.

Xingxing, 20~29 year old female. Ask Date: 2016/03/08

Dr. Zeng Guanghui reply Dentistry

In the aforementioned situation, if a wisdom tooth was recently extracted and the affected tooth is adjacent to the extraction site, it is important to note that the socket from the wisdom tooth extraction typically takes 1-2 months to fully heal and for the bone to integrate.
During this period, the neighboring tooth may exhibit sensitivity to hot and cold stimuli.
Another possible reason for this sensitivity could be that the original cavity was too extensive; even after being refilled, the tooth may still experience sensitivity to temperature changes.
It is advisable to consult a dentist for further evaluation.

Reply Date: 2016/03/08

More Info

Tooth sensitivity after dental work is a common concern that can arise for various reasons. In your case, it seems that you are experiencing sensitivity in your lower right second molar after a recent filling and following the extraction of a wisdom tooth. Let's delve into the potential causes and solutions for your symptoms.

Causes of Tooth Sensitivity
1. Dental Work and Sensitivity: After a filling, it is not uncommon for teeth to become sensitive to temperature changes, especially if the filling material is a composite resin or if the cavity was deep. The process of drilling can also irritate the nerve inside the tooth, leading to temporary sensitivity. This sensitivity can last for a few days to weeks as the tooth adjusts to the new filling.

2. Wisdom Tooth Extraction: The extraction of a wisdom tooth can lead to changes in the surrounding teeth and gums. The healing process can cause inflammation and sensitivity in adjacent teeth. If the extraction site is large, it may also affect the bite and the way your teeth come together, potentially leading to discomfort in the lower jaw area.

3. Gum Recession: If there has been any gum recession around the affected tooth, the root surface may be exposed, leading to increased sensitivity. This is particularly true if you have a history of aggressive brushing or periodontal issues.

4. Nerve Irritation: The nerves in the tooth can become irritated due to the dental procedure or the extraction. This irritation can manifest as sensitivity to hot and cold stimuli.

5. Underlying Dental Issues: Sometimes, underlying issues such as decay that was not fully addressed or cracks in the tooth can lead to sensitivity. If the filling was placed over a previously deep cavity, there might still be some decay present that could cause discomfort.

Solutions and Recommendations
1. Use of Desensitizing Toothpaste: Products like Sensodyne or other desensitizing toothpastes can help alleviate sensitivity. These toothpastes contain compounds that block the nerve pathways in the teeth, providing relief over time.

2. Follow-Up with Your Dentist: Since your sensitivity persists after the filling, it is advisable to return to your dentist for a follow-up. They can assess the filling to ensure it is properly placed and check for any underlying issues that may not have been addressed.

3. Avoid Extreme Temperatures: Until the sensitivity subsides, try to avoid very hot or cold foods and beverages. This can help minimize discomfort while your tooth heals.

4. Monitor Your Symptoms: Keep track of when the sensitivity occurs and any other symptoms you may experience, such as pain or discomfort in the jaw. This information can be helpful for your dentist in diagnosing the issue.

5. Consider a Bite Adjustment: If your dentist determines that your bite is off due to the filling or the extraction, they may recommend a bite adjustment to alleviate discomfort.

6. Gum Health: Maintain good oral hygiene to support gum health, as healthy gums can help protect against sensitivity. Regular brushing and flossing, along with routine dental cleanings, are essential.

7. Potential Further Treatment: If sensitivity continues despite these measures, your dentist may suggest further treatment options, such as a root canal if the nerve is severely affected or if there is significant decay.

In conclusion, tooth sensitivity after dental work can be attributed to various factors, including the recent filling and wisdom tooth extraction. It is crucial to communicate your ongoing symptoms to your dentist, who can provide a thorough examination and recommend appropriate treatment. With proper care and follow-up, most cases of sensitivity can be effectively managed.

Similar Q&A

Understanding Tooth Sensitivity After Dental Work: Causes and Solutions

Hello, Doctor. In late July of this year, the filling between my upper left first and second molars, which had been done a long time ago, fell out. I went to the dentist and had it refilled. Since then, those two teeth (and even the adjacent one) have become extremely sensitive; ...

Dr. Yang Zhiren reply Dentistry
Hello: If the dental filling is made of light-cured resin, many patients may experience sensitivity issues after the procedure. In some cases, this may improve over time. However, if gum recession leads to exposed tooth roots, patients may experience sensitivity and pain. Sensody...

Understanding Tooth Sensitivity and Root Canal Treatment Options

Hello, Doctor! I originally had a sensitivity issue with my front teeth, and it's a long story. On the night of November 25, I experienced hyponatremia and was admitted to the emergency room, then spent three days in the intensive care unit. Since I was lying down for those ...

Dr. Zeng Guanghui reply Dentistry
The lower front teeth may have been subjected to excessive force, affecting the periodontal ligaments and potentially impacting the dental pulp nerves within the teeth, leading to symptoms of tooth sensitivity. If the dental examination shows no cracks, as long as excessive occlu...

Dealing with Tooth Sensitivity After Orthodontic Adjustment

I am undergoing orthodontic treatment and have reached the stage of adjusting my bite. My left front tooth is slightly longer, so my dentist filed it down a bit to align it with the edge of the right front tooth. During the filing process, I experienced some sensitivity in the to...

Dr. Zeng Guanghui reply Dentistry
In the above situation, if the amount of tooth wear is not significant, it is advisable to avoid hot and cold foods or beverages for a short period and to use desensitizing toothpaste for brushing. This should gradually lead to recovery. However, if the sensitivity persists, it i...

Understanding Tooth Sensitivity After Dental Work: Causes and Solutions

Hello Dr. Chuang, My teeth have never been sensitive, but since I had a dental filling done in early October, I have experienced sharp pain near the filled tooth whenever I consume something cold or hot. Will this sensitivity return to what it was before? Thank you.

Dr. Zhuang Suhui reply Dentistry
Recently filled teeth may sometimes be more sensitive, but this usually improves over time. You can monitor the situation for 1-2 weeks. If you feel that the condition has not changed or has worsened, you should return to the hospital or clinic for a follow-up appointment.