Placement of a post in root canal treatment?
Hello, Doctor.
I have completed root canal treatment on one of my molars, and X-rays have confirmed that a post has been placed.
However, the dentist who placed the post is different from the one who performed the root canal.
Two days after the procedure, I started to feel a slight sensitivity when tapping on the tooth.
Could this be due to incomplete nerve removal or a bacterial infection during the post placement? If I ignore it and proceed to place a metal crown, what could happen? Will the sensitivity improve after the crown is placed? I don't experience any pain while eating or sleeping.
If the post needs to be removed, will it be damaged? Would I need to redo the post? Thank you.
Haitai, 20~29 year old female. Ask Date: 2021/08/16
Dr. Zeng Guanghui reply Dentistry
After completing root canal treatment, if you experience sensitivity or discomfort after placing a post, it is important to monitor the symptoms.
If the sensitivity persists, it may indicate a crack in the tooth itself.
It is advisable to return to the dentist for an evaluation to determine whether to proceed with placing a crown or to remove the post.
Dr.
Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.
Reply Date: 2021/08/16
More Info
After undergoing root canal treatment, it's not uncommon to experience some discomfort or unusual sensations, especially after the placement of a dental pin (also known as a post). In your case, the mild sensitivity or "softness" you feel when tapping on the tooth could be attributed to several factors, including the quality of the root canal treatment, the integrity of the tooth structure, and the technique used during the placement of the dental pin.
Firstly, it's important to understand that root canal treatment aims to remove infected or damaged pulp tissue from the tooth, and once completed, the tooth is often filled with a material to seal it. If the root canal was not entirely successful—meaning some infected tissue remains or if the canal was not adequately cleaned and sealed—this could lead to lingering discomfort. However, since you mentioned that X-rays confirmed the completion of the root canal and the placement of the dental pin, it seems that the initial treatment was likely successful.
The sensation you're experiencing could also be related to the dental pin itself. If the pin was placed too aggressively or if there was any contamination during the procedure, it could lead to inflammation or sensitivity in the surrounding tissues. It's also possible that the tooth is still adjusting to the new structure and support provided by the pin, which may explain the transient discomfort.
Regarding your concern about whether ignoring this sensation and proceeding with the placement of a metal crown (or dental cap) would be advisable, it's generally best to address any discomfort before finalizing the restoration. If the discomfort persists, it could indicate an underlying issue that might worsen once the crown is placed. A crown is designed to provide strength and protection to a tooth, but if the tooth is already compromised, the crown may not resolve the discomfort and could potentially lead to further complications.
If you decide to proceed with the crown without addressing the discomfort, you may find that the sensitivity does not improve and could even worsen. Additionally, if there is an underlying infection or issue that has not been resolved, it could lead to further complications, such as the need for retreatment or even extraction of the tooth in the future.
As for your question about removing the dental pin, it is possible to do so, but it should be approached with caution. Removing a dental pin can sometimes compromise the integrity of the tooth, especially if the tooth structure is already weakened. If the pin needs to be removed, it should ideally be done by a dentist who can assess the situation and determine the best course of action. They may need to evaluate the tooth with additional imaging or clinical examination to ensure that the removal does not lead to further complications.
In summary, while some sensitivity after root canal treatment and dental pin placement can be normal, it is essential to monitor the situation closely. If the discomfort persists or worsens, it would be prudent to consult with your dentist for a thorough evaluation. They may recommend further imaging or adjustments to ensure that your tooth is healthy and ready for the final restoration. Taking these steps can help prevent future complications and ensure the longevity of your dental work.
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