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Root Canal Treatment

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What is root canal treatment?

A root canal treatment involves drilling a hole into a decayed tooth and removing the soft centre, known as the dental pulp. The dental pulp is made up of connective tissue, nerves, and blood supply, and extends into the roots of the tooth. The crown, or surface of the tooth that is used for chewing, may also be replaced if necessary.

Root canal therapy can be performed by your regular dentist or a specialist endodontist.

When is a root canal treatment required?

A root canal treatment can save a badly infected or damaged tooth. The tooth may have become infected or damaged by decay, repeated dental work, wear and tear, gum disease, cracked fillings or an injury to the tooth.

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When the dental pulp is damaged, bacteria can start to multiply inside the tooth. This can lead to an infection or abscess, which is a pocket of pus that forms at the end of the tooth’s root.

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Saving your own tooth if possible is important. It works better than an artificial tooth for biting and chewing. Losing a tooth can lead to other problems in the mouth. Replacing a lost tooth with an artificial one often needs more complex dental procedures. Root canal treatment is often the best way of saving your tooth.

Symptoms 

Sometimes there are no symptoms that a tooth needs root canal therapy. More commonly, the signs include:

  • severe toothache when chewing

  • sensitivity to hot or cold that lasts after the heat or cold has been removed

  • darkening of the tooth

  • swollen and tender gums

  • a persistent pimple on the gums or a hole in the tooth

  • swelling of the face or neck

Sources:

Healthdirect (healthdirect.gov.au), Australian Society of Endodontology (What is root canal treatment?), WebMD (An overview of root canals)

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