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Everything You Need to Know About Root Canal Treatment


 Root canal treatment is indicated when the pulp, the soft tissue inside the root canal, becomes inflamed or infected. The inflammation or infection can have a variety of causes: deep decay repeated dental procedures on the tooth or a crack or chip in the tooth. In addition, an injury to a tooth may cause pulp damage even if the tooth has no visible chips or cracks. If pulp inflammation or infection is left untreated, it can cause pain, swelling or lead to an abscess.

There are a few symptoms that can indicate that you may need root canal treatment:

  • Severe pain while chewing or biting
  • Pimples on the gums
  • A chipped or cracked tooth
  • Lingering sensitivity to hot or cold, even after the sensation has been removed
  • Swollen or tender gums
  • Deep decay or darkening of the gums

An endodontist removes the inflamed or infected pulp, carefully cleans and shapes the inside of the root canal, then fills and seals the space. Afterward, you will return to your dentist, who will place a crown or other restoration on the tooth to protect and restore it to full function. After restoration, the tooth continues to function like any other tooth.

With modern technology and anaesthetics, you won’t experience any more pain than having a cavity filled. The pain from a severe toothache, often caused by damaged tissues in the tooth, can be easily resolved when an endodontist removes the damaged tissue through root canal treatment. In addition, endodontists are experts in pain management, and most cases can be treated quickly and comfortably.

Most endodontically treated teeth last as long as other natural teeth. In a few cases, a tooth that has undergone endodontic treatment does not heal or the pain continues. Occasionally, the tooth may become painful or diseased months or even years after successful treatment. Often when this occurs, redoing the root canal treatment or considering periapical surgery, can save the tooth.

Saving your natural teeth, if possible, is always the best option. Nothing artificial can replace the look or function of a natural tooth so it’s important to always consider root canal treatment as an option. Endodontic treatment has a high success rate and many root canal-treated teeth can potentially last a lifetime. Replacing an extracted tooth with a bridge or implant requires more time in treatment and may result in further complications and procedures to neighbouring teeth and supporting tissue.

* Document modified from patient information from American Association of Endodontists.

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