Re-endodontic treatment
Re-endodontic treatment, also known as retreatment, is a dental procedure performed when a tooth that has previously undergone root canal therapy fails to heal properly or develops new problems. This can occur for various reasons, such as complex canal anatomy that was not completely treated in the first procedure, delayed placement of the crown or other restoration, new decay that exposes the root canal filling material to bacteria, or a cracked or loose filling or crown that allows new infection in the tooth. Here are the key services and steps involved in re-endodontic treatment:
Consultation and X-rays: The dentist or endodontist will start with a thorough examination, which usually includes taking new X-rays to assess the condition of the tooth and the previous root canal treatment.
Removing the Previous Crown or Filling: If the tooth has a crown or a filling, it will need to be removed to access the root canal filling material.
The old root canal filling material is carefully removed to enable access to the root canals.
Cleaning and Re-shaping the Canals: The root canals are then cleaned and reshaped. The endodontist will pay particular attention to any additional canals or unusual anatomy that was not adequately treated in the first procedure.
Addressing Specific Problems: If there is a new infection, it will be treated. If there are cracks or fractures, these will be assessed to determine if the tooth is still suitable for retreatment.
After cleaning and shaping, the canals are filled with a biocompatible material, typically gutta-percha, just like in the initial root canal procedure.
Restoration of the Tooth: Once retreatment is completed, a new crown or other restoration is usually necessary to restore the tooth to full function and protect it from further damage.
Follow-up appointments might be required to monitor the healing of the tooth and ensure the success of the retreatment.
Re-endodontic treatment can be more challenging than the initial root canal treatment due to the complexities of the existing restoration and the alterations in the tooth’s structure. However, it is a valuable procedure for saving a tooth that might otherwise need to be extracted. The success rate for re-endodontic treatment is generally high, and with proper care, these teeth can function normally for years.
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