Tooth Sensitivity After Filling: Root Canal vs. Extraction - Dentistry

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The filled tooth is wobbly and hurts when biting up and down?


Last month, I went to the dentist for a filling due to tooth decay and inflammation.
The doctor mentioned that if there was pain, I might need a root canal treatment.
I would like to ask: 1.
What is the difference between a root canal treatment and a nerve extraction? Is the cost covered by health insurance? 2.
Is it necessary to extract the tooth (since it is the second to last molar)? 3.
How long does the treatment usually take? Will it affect my daily life? Thank you, Dr.
Huang, for your answers.

Ya Ya, 20~29 year old female. Ask Date: 2016/05/07

Dr. Huang Zhicheng reply Dentistry


Hello! 1.
Root canal treatment and nerve extraction refer to the same procedure; "nerve extraction" is a common term used by the general public, while "root canal treatment" is the academic term.
This procedure is covered by health insurance.
2.
If treatment is possible, tooth extraction can be avoided.
3.
The treatment course takes about two weeks and should not significantly impact daily life.
It is advisable to avoid biting hard objects, and I also recommend getting a crown to prevent tooth fracture.
Wishing you peace and good health.
Sincerely, Dr.
Kuan-Yu Chu, Attending Dentist, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/05/07

More Info


Tooth sensitivity after dental procedures, such as fillings or root canal treatments, can be a common concern for many patients. Understanding the differences between these procedures, as well as their implications for tooth sensitivity and overall dental health, is crucial for making informed decisions about your dental care.

1. Difference Between Root Canal Treatment and Pulpotomy:
Root canal treatment (RCT) is a procedure designed to remove infected or damaged pulp from inside the tooth. This is often necessary when a tooth has deep decay or has been subjected to trauma. The procedure involves cleaning out the pulp chamber and root canals, disinfecting them, and then filling them with a biocompatible material. On the other hand, a pulpotomy is a procedure where only the top part of the pulp is removed, usually performed on primary teeth or in cases where the infection has not reached the root. The cost of these procedures can vary significantly. In many cases, root canal treatments are covered by dental insurance, but coverage can depend on the specific policy and the dentist's billing practices.

2. Need for Extraction:
Whether or not you need to have a tooth extracted depends on the extent of the decay and the condition of the tooth. If the tooth is severely compromised and cannot be restored, extraction may be necessary. However, if the tooth can be treated effectively with a root canal or filling, extraction can often be avoided. It's essential to have a thorough examination by your dentist to determine the best course of action.

3. Duration of Treatment:
The duration of a root canal treatment can vary, but it typically takes one to two appointments, each lasting about 60 to 90 minutes. After the procedure, some patients may experience sensitivity for a few days as the surrounding tissues heal. This sensitivity is usually manageable with over-the-counter pain relievers. In contrast, a filling procedure is generally quicker, often completed in a single visit.
4. Impact on Daily Life:
After a root canal or filling, most patients can return to their normal activities the same day. However, it is advisable to avoid chewing on the treated side until the numbness from anesthesia wears off to prevent accidental injury. Some patients may experience mild discomfort or sensitivity, particularly to temperature changes, for a few days post-treatment. This sensitivity is usually temporary and should gradually improve as the tooth heals.

In summary, understanding the differences between root canal treatment and fillings, as well as the potential need for extraction, is essential for managing tooth sensitivity and ensuring long-term dental health. If you experience persistent sensitivity or pain after a dental procedure, it is crucial to follow up with your dentist for further evaluation. They may recommend additional treatments or adjustments to address your concerns effectively. Regular dental check-ups and maintaining good oral hygiene practices can also help prevent future dental issues and sensitivity.

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