Pain in Molars While Eating: Possible Causes and Solutions - Dentistry

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Pain in the molars while eating?


Hello, doctor.
One of my upper molars hurts when I eat.
I don't feel any pain when biting down directly or when consuming hot or cold drinks.
However, I can feel with my tongue that there seems to be a gap (at the occlusal surface) near the molar, and when food gets stuck in that gap, it causes pain.
The pain disappears immediately after I finish eating.
Is this a cavity, sensitive teeth, or something else? I've actually been experiencing this issue for quite some time (over six months), but previously, the pain would only occur for two or three consecutive days within a month, and then it would go away.
It would reappear after a few weeks.
This time, however, it has persisted for a week, which is why I found it strange and decided to ask.

Xiao Jiang, 20~29 year old female. Ask Date: 2016/03/28

Dr. Zeng Guanghui reply Dentistry


If biting into something causes food to get stuck in the crevices of your bite, it may be due to cavities.
It is advisable to consult a dentist for further examination and treatment.

Reply Date: 2016/03/28

More Info


The pain you are experiencing in your molar while eating could be attributed to several potential causes, and it’s important to consider these possibilities in order to find an appropriate solution. Based on your description, the pain occurs specifically when food gets lodged in a gap between your teeth, and it subsides shortly after eating. This pattern suggests that the issue may not be related to a cavity or tooth sensitivity in the traditional sense, but rather to a more localized problem.

One likely cause of your discomfort could be a food impaction issue. This occurs when food particles become trapped between teeth, leading to irritation of the gums or the tooth itself. If there is a gap or space (which you referred to as a "gap") between your molars, it can create a perfect environment for food to get stuck, which can cause pain and discomfort. This can also lead to inflammation of the gums (gingivitis) or even periodontal disease if not addressed.

Another possibility is that you may have a cracked tooth or a fracture that is not easily visible. Cracked teeth can cause pain when pressure is applied, such as when chewing, and the pain may not be present when the tooth is at rest. If the crack is deep enough, it can expose the inner pulp of the tooth to irritants, leading to pain when food gets lodged in that area.

Additionally, if you have a history of dental work on that tooth, such as a filling or crown, it’s possible that the restoration is failing or has developed a gap that allows food to enter, causing discomfort.
To address your concerns, here are some recommended steps:
1. Dental Examination: It is crucial to visit a dentist for a thorough examination. They can take X-rays to check for cavities, cracks, or other issues that may not be visible to the naked eye.
2. Oral Hygiene: Maintain excellent oral hygiene by brushing twice a day and flossing daily. This can help prevent food from getting trapped and reduce the risk of gum disease.

3. Dietary Adjustments: Be mindful of the types of food you eat. Avoid sticky or hard foods that may exacerbate the issue.
4. Temporary Relief: If the pain persists, over-the-counter pain relief medications such as ibuprofen or acetaminophen may help alleviate discomfort until you can see a dentist.

5. Follow-Up Care: If your dentist identifies a specific issue, such as a cavity or a crack, they will recommend appropriate treatment, which may include fillings, crowns, or other restorative procedures.

In summary, while the pain you are experiencing could be due to food impaction, a cracked tooth, or issues related to previous dental work, it is essential to consult with a dental professional for an accurate diagnosis and treatment plan. Ignoring the problem may lead to more serious dental issues in the future, so addressing it sooner rather than later is advisable.

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