Can I Chew Food with a Porcelain Crown After Root Canal Treatment? - Dentistry

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Can a full porcelain crown placed after a root canal on a front tooth chew food?


Hello, I have a front tooth that is sensitive to hot and cold and underwent root canal treatment followed by the placement of a porcelain crown.
Since the original tooth was reduced in size, the dentist advised me not to use that tooth for biting food, including cutting noodles, tearing bread, and ripping food.
I would like to know if that front tooth can really only be for aesthetic purposes and not used at all, or if I just need to avoid biting hard foods.
Thank you.

R, 30~39 year old female. Ask Date: 2019/08/08

Dr. Huang Tingfang reply Dentistry


Dear Mr.
R: Hello! It should be (just avoid biting hard foods), but that good dentist hopes this tooth can last longer! Even good dentures have their limits! Take care! Wishing you peace and success! Sincerely, Dr.
Huang Ting-Fang, Dentistry.

Reply Date: 2019/08/08

More Info


After undergoing root canal treatment and having a porcelain crown placed on your tooth, it's understandable to have concerns about the functionality of that tooth, especially regarding chewing food. The advice you've received from your dentist is quite common and reflects a cautious approach to dental care following such procedures.

First, it's important to understand that a root canal treatment involves the removal of the tooth's pulp, which contains nerves and blood vessels. While the tooth itself remains intact, it becomes more brittle over time due to the loss of its vital components. This is why dentists often recommend avoiding excessive force on the treated tooth, particularly when it comes to biting or chewing hard foods.

Porcelain crowns are designed to restore the function and appearance of a tooth after significant dental work, such as a root canal. They are strong and can withstand normal chewing forces; however, they are not indestructible. The recommendation to avoid using the crowned tooth for biting or chewing tough foods is primarily to prolong the life of the crown and prevent any potential damage. This is especially true if the tooth has been significantly reduced in size during the preparation for the crown, as you mentioned.

In your case, since your dentist has advised against using the crowned tooth for biting tasks, it is wise to follow that guidance. This doesn't mean that the tooth is entirely non-functional; rather, it suggests that you should be cautious about how you use it. You can still use the tooth for softer foods, but it’s best to avoid hard, crunchy, or sticky items that could put undue stress on the crown.

Moreover, if you experience any discomfort or pain when using the crowned tooth, it’s essential to communicate this with your dentist. Persistent pain could indicate issues such as improper fit of the crown, underlying infection, or even complications from the root canal treatment itself. Regular follow-ups with your dentist can help ensure that any potential problems are addressed promptly.

In summary, while you can use your porcelain crown for chewing, it is advisable to avoid hard foods and be mindful of any discomfort. Your dentist's recommendation is aimed at preserving the integrity of the crown and ensuring the longevity of your dental work. If you have further concerns or if the situation changes, do not hesitate to reach out to your dental care provider for personalized advice and treatment options.

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