Post-Dental Implant Discomfort and Root Canal Concerns - Dentistry

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After getting fixed dentures, there is an unusual sensation in the bite?


A few years ago, I had root canal treatment on a molar and received a dental crown.
Now, I have a cavity again and would like to know if I will need to undergo root canal treatment again when the crown is removed to clean the cavity.
Currently, I haven't had root canal treatment, but after one week of having the crown, I feel some discomfort when chewing.
It's not painful yet, but I have a feeling that if the issue progresses, it will become painful.
This makes me a bit anxious while chewing.
The dentist advised me to give it more time to adjust, stating that the tooth will not feel the same as it did before.
The sensation seems to be coming from the root canal, and if I feel it's really unusual, I would need to pay out of pocket for a microscopic root canal treatment.
Is it possible that bacteria could enter during the cavity cleaning? Is root canal treatment necessary? If I can't adjust, will I have to pay for the microscopic root canal? Will the unusual sensation disappear as a result? Thank you.

Kay, 30~39 year old female. Ask Date: 2023/07/15

Dr. Lin Jiayong reply Dentistry


Hello: It is recommended to follow the physician's advice.
If you are uncertain about whether a retreatment of the root canal is necessary, it is advisable to consult a specialist in endodontics at a medical center for a second opinion before making a decision.

Reply Date: 2023/07/15

More Info


When it comes to post-dental implant discomfort and concerns regarding root canal treatments, it's essential to understand the underlying issues and the treatment options available. Based on your description, it seems you have a history of root canal treatment on a molar that has now developed new decay. This situation raises several important questions about the management of your dental health.

Firstly, if your dental implant (or the tooth that has been treated with a root canal and subsequently had a crown placed) is experiencing discomfort or an unusual sensation, it is crucial to assess the situation thoroughly. The discomfort you feel while chewing could be due to several factors, including the integrity of the crown, the health of the underlying tooth structure, or even the surrounding gum tissue.

1. Root Canal Treatment After Crown Removal: If the decay is extensive and has reached the pulp of the tooth, it may necessitate a new root canal treatment. When the crown is removed, your dentist will evaluate the extent of the decay. If the pulp is infected, a root canal will likely be required to remove the infected tissue and prevent further complications. If the tooth structure is compromised, extraction might be an option, followed by an implant if necessary.

2. Bacterial Contamination: You mentioned concerns about bacteria entering the tooth during the process of cleaning out the decay. This is a valid concern; however, dentists take precautions to minimize this risk. If the tooth is already compromised, the risk of infection increases, which is why timely intervention is crucial. If you are experiencing discomfort, it may indicate that the decay is deeper than initially assessed, or that the tooth is not healing properly.

3. Adaptation Period: Your dentist's advice to "adapt" to the new crown is common, as it can take time for your bite to feel normal after dental work. However, if the discomfort persists or worsens, it is essential to communicate this to your dentist. Sometimes, adjustments to the crown or bite may be necessary to alleviate discomfort.

4. Micro-Endodontics: If your dentist suggests that a microscopic root canal treatment may be necessary, this typically indicates that the situation is complex and requires specialized care. Micro-endodontics can be beneficial for cases where traditional root canal treatments have failed or where there are intricate canal systems that need to be addressed.

5. Decision-Making: If you are uncomfortable with the current treatment plan or feel that your concerns are not being adequately addressed, seeking a second opinion is always a reasonable course of action. Different dentists may have varying approaches to treatment, and it is essential that you feel confident in your care.

In summary, if you are experiencing discomfort after a dental procedure, it is crucial to follow up with your dentist for a thorough evaluation. They can determine whether a new root canal treatment is necessary or if other interventions are required. Your oral health is paramount, and addressing these concerns promptly can help prevent further complications. Always trust your instincts about your discomfort, and do not hesitate to seek further evaluation if you feel it is warranted.

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