Slight Tooth Mobility During Root Canal Treatment - Dentistry

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During root canal treatment, there is slight mobility of the premolar tooth?


Hello, Doctor.

I have a question: My left premolar (the one in front of the molar) is currently undergoing root canal treatment (the root has been cleaned out) and is in the process of healing.
However, for some reason, I have been feeling a slight mobility in the tooth over the past two days (it is visibly moving a small amount, less than 1 mm).
When it moves, I feel that the surrounding gum tissue seems unable to hold the tooth securely, but the root itself feels stable (at the very bottom of the tooth).
The dentist I visited told me that the tooth and gum are inflamed, which is causing the mobility, and prescribed some anti-inflammatory medication for me to take.
I am wondering if my current condition is indeed as my dentist described, or if there might be other underlying reasons.
I hope you can provide me with some reassurance; I am only 23 years old and do not want to lose my tooth so soon.
Thank you.

Feng Xiansheng, 20~29 year old female. Ask Date: 2011/08/16

Dr. Zhuang Suhui reply Dentistry


Hello: Root canal treatment takes some time to be fully effective.
During the process, there may be some discomfort, but once the treatment is completed, these symptoms will disappear.
Only a very small number of individuals experience prolonged symptoms.
Patience during treatment is crucial.

Reply Date: 2011/08/16

More Info


Hello! It's understandable to be concerned about slight tooth mobility during root canal treatment, especially at such a young age. Let's break down your situation and address your concerns.

Firstly, slight mobility in a tooth undergoing root canal treatment can occur for several reasons. As your dentist mentioned, inflammation in the surrounding gum tissue (periodontitis) can lead to a feeling of looseness. This inflammation can be a result of the infection that prompted the root canal treatment in the first place. When the tooth's nerve is removed and the root canal is cleaned, the surrounding tissues may still be healing, which can cause temporary mobility.

Another reason for the slight mobility could be related to the tooth's structural integrity. If the tooth had significant decay or damage prior to the treatment, it might not have been as stable to begin with. Additionally, the process of cleaning and shaping the root canals can sometimes lead to minor changes in how the tooth is anchored in the bone, contributing to a feeling of looseness.

It's also important to consider the role of the periodontal ligament, which is the connective tissue that helps anchor the tooth to the jawbone. If there is inflammation or infection in this area, it can affect the stability of the tooth. Your dentist's prescription for anti-inflammatory medication is a common approach to help reduce swelling and promote healing.

In most cases, this slight mobility is temporary and should improve as the inflammation subsides and the tooth heals. However, it is crucial to follow up with your dentist to monitor the situation. If the mobility persists or worsens, further evaluation may be necessary to rule out any complications, such as a fracture or a more serious infection.

At 23 years old, it's understandable to be anxious about the health of your teeth. Root canal treatments are quite successful, and many people retain their teeth for many years after the procedure. Maintaining good oral hygiene, following your dentist's instructions, and attending follow-up appointments are key to ensuring the best outcome.

In summary, while slight mobility can be concerning, it is often a temporary condition related to inflammation and healing. Keep in close contact with your dentist, and don't hesitate to ask questions or express your concerns during your visits. Your oral health is important, and your dentist is there to help you navigate any issues that arise. Wishing you a smooth recovery and a healthy smile!

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