Pain When Biting Hard Foods: Possible Causes and Solutions

Q: Pain When Biting Hard Foods: Possible Causes and Solutions

Hello： Resin dental fillings may sometimes not fully polymerize, which can lead to uneven distribution of occlusal forces on the teeth, causing pain at specific pressure points. <br>It is recommended to monitor the situation for a while longer. <br>If discomfort persists, please

There is pain at a specific point on the tooth when biting down on hard objects?

Hello, Doctor! I just completed my routine check-up last month, and I had a cavity filled.
The specific location of the filling was not explained to me by the dentist at the time, but I suspect it is the third tooth from the back on the upper right side, counting the wisdom tooth.
Two weeks later, I noticed that the filled tooth hurts when I bite down on hard objects.
To pinpoint the location of the pain, I used the pointed end of a dental floss stick or sharp objects to probe and found that the pain is near the gap between this tooth and the one in front of it.
The week I discovered the pain, I returned to the dentist for an examination.
The dentist took an X-ray and said there appeared to be no cavities, and the filling looked perfect.
Therefore, it was initially suspected that something was stuck between the teeth, and the dentist performed a cleaning.
(The dentist also speculated that the gap between the two teeth might be too small.) However, after returning home, I still felt discomfort when eating (only with hard foods) at that spot, but it is not continuous; the first bite causes pain, which then subsides as I continue chewing.
Aside from eating, my daily activities like brushing my teeth and drinking water are normal.
I vividly remember that two days ago, when I ate toasted bread, it felt like that painful spot was about to come loose.
I would like to ask you whether my situation suggests a problem with the filling material or if there might be a possibility of a cracked tooth.

Lai Xiaojie, 20~29 year old female. Ask Date: 2021/10/02

Dr. Lin Jiayong reply Dentistry

Hello: Resin dental fillings may sometimes not fully polymerize, which can lead to uneven distribution of occlusal forces on the teeth, causing pain at specific pressure points.
It is recommended to monitor the situation for a while longer.
If discomfort persists, please consult your treating dentist to confirm whether there are any dental cracks or other issues as you described.
Sincerely, Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministry of Health and Welfare.

Reply Date: 2021/10/02

More Info

When experiencing pain while biting hard foods, especially after dental work such as a filling, there are several potential causes to consider. Based on your description, it seems that the discomfort is localized around the area where the filling was placed, particularly when biting into hard items. Here are some possible explanations and recommendations:

Possible Causes
1. Residual Debris: After a dental filling, it is possible for food particles or plaque to become trapped between the teeth, especially if the filling has altered the spacing. This can lead to discomfort when biting down on hard foods.

2. High Filling: If the filling is slightly too high, it can cause discomfort when biting down, as it may put excess pressure on the tooth. This can lead to pain that is felt only during the initial bite.

3. Cracked Tooth: A crack in the tooth can cause pain when biting down, particularly on hard foods. The pressure from biting can cause the crack to open slightly, leading to discomfort.

4. Sensitivity: After dental work, it is common for teeth to be sensitive, especially to temperature changes and pressure. This sensitivity can manifest as pain when biting into hard foods.

5. Material Reaction: Sometimes, the materials used in dental fillings can cause sensitivity or discomfort, especially if there is an allergic reaction or if the material is not compatible with the tooth structure.

Recommendations
1. Follow-Up with Your Dentist: Since you have already visited your dentist and they performed an X-ray, it would be wise to schedule a follow-up appointment. Explain your ongoing symptoms, particularly the pain when biting hard foods. Your dentist may need to adjust the filling or check for any cracks in the tooth.

2. Avoid Hard Foods: Until you can see your dentist, it may be beneficial to avoid hard foods that exacerbate the pain. Opt for softer foods that do not require much pressure when chewing.

3. Oral Hygiene: Maintain excellent oral hygiene to prevent any further issues. Use a soft-bristled toothbrush and be gentle around the area of the filling. Floss carefully to avoid dislodging any debris that may be trapped.

4. Pain Management: Over-the-counter pain relief, such as ibuprofen or acetaminophen, can help manage discomfort temporarily. However, this should not replace a visit to your dentist for a proper evaluation.

5. Monitor Symptoms: Keep track of when the pain occurs and any other symptoms that may arise, such as swelling or prolonged sensitivity. This information can be helpful for your dentist in diagnosing the issue.

Conclusion
Pain when biting hard foods, particularly after dental work, can stem from various causes, including residual debris, high fillings, cracked teeth, sensitivity, or material reactions. It is essential to communicate your symptoms clearly to your dentist, who can provide a thorough examination and appropriate treatment. In the meantime, avoiding hard foods and maintaining good oral hygiene can help manage your discomfort. Remember, addressing dental issues promptly can prevent further complications and ensure your oral health remains in good standing.

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