Dealing with Tooth Sensitivity After Chewing Hard Foods: What to Do? - Dentistry

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Tooth biting on a hard object?


During a meal, I accidentally chewed on something hard with my back molar and felt a sharp pain.
After visiting the dental clinic, it was discovered that some resin from a previously filled cavity had come off.
The dentist is currently addressing this by refilling the tooth and did not perform an X-ray examination.
The filled tooth does not react to hot or cold stimuli, but I experience a soft, acidic sensation when chewing on hard foods.
Eating is uncomfortable, and I can only chew on one side.
When I bite down on the sensitive tooth, I feel a pressure sensation in the upper cheekbone area.
I have returned for follow-up visits, and the dentist advised me to monitor the situation since it is difficult to determine if there are internal issues.
Does this indicate that the tooth root may be injured? Should I continue to observe, or should I seek a consultation with an endodontist for further examination?

Ya chi shou shang, 30~39 year old female. Ask Date: 2014/06/18

Dr. Zeng Guanghui reply Dentistry


While eating, I bit down on something hard and caused the filling in my molar to come loose.
Although it has been refilled, I still feel a pressure in the upper back area when eating.
I can return to the dentist to check if the filling is too high, or if the original cavity was deeper.
Even after the repair, I still have difficulty biting down, or it could be discomfort caused by gum inflammation, which may require further diagnosis and treatment.

Reply Date: 2014/06/18

More Info


Dealing with tooth sensitivity, especially after chewing hard foods, can be a frustrating experience. It’s important to understand the underlying causes of this sensitivity and how to address it effectively. Based on your description, it seems that you have experienced discomfort in a previously treated tooth, which has raised concerns about potential damage to the tooth structure or the dental work itself.

Tooth sensitivity can arise from several factors, particularly after chewing hard foods. When you bite down on something hard, it can put excessive pressure on the tooth, especially if there is existing dental work like fillings. If the filling material has come loose or if there is a crack in the tooth, this can lead to discomfort or sensitivity. The fact that you have previously had a cavity filled suggests that the tooth may already be compromised, making it more susceptible to sensitivity when subjected to pressure.

In your case, the dentist has already attempted to address the issue by refilling the tooth. However, if you are still experiencing sensitivity, particularly to hard foods, it could indicate that there is more going on than just a loose filling. The sensitivity you describe, especially the sensation of pressure in the upper cheekbone area, could suggest that the tooth's nerve is irritated or that there is an underlying issue such as a crack or fracture in the tooth that has not been detected.

Here are some steps you can take moving forward:
1. Continue Monitoring: Since your dentist has advised you to observe the situation, it’s wise to keep track of any changes in your symptoms. Note if the sensitivity worsens, if you experience pain when biting down, or if there are any other symptoms like swelling or prolonged discomfort.

2. Avoid Hard Foods: Until you have a clearer understanding of the situation, it may be best to avoid hard or crunchy foods that could exacerbate the sensitivity. Opt for softer foods that require less chewing and pressure on the affected tooth.

3. Consider a Second Opinion: If the sensitivity persists or worsens, it may be beneficial to seek a second opinion from an endodontist, a specialist in root canal treatments. They can perform a more thorough examination, potentially including X-rays, to assess the health of the tooth and its nerve.

4. Discuss Treatment Options: If it turns out that there is damage to the tooth or if the nerve is involved, your dentist or endodontist can discuss treatment options with you. This may include root canal therapy if the nerve is compromised, or other restorative options if the tooth structure is damaged.

5. Pain Management: In the meantime, over-the-counter pain relief medications may help manage discomfort. Additionally, using toothpaste designed for sensitive teeth can provide some relief.

6. Follow-Up Appointments: Keep your follow-up appointments with your dentist to ensure that any changes in your condition are monitored closely. Regular check-ups can help catch any developing issues early.

In summary, while it is not uncommon to experience sensitivity after chewing hard foods, persistent discomfort should not be ignored. It is essential to communicate openly with your dental care provider about your symptoms and to seek further evaluation if necessary. Taking proactive steps can help ensure the health of your teeth and alleviate any discomfort you may be experiencing.

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