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Root Canal Treatment
Where a tooth has become severely damaged or decay has invaded the root canal, the nerve and blood supply is also infected or damaged. This can lead to pain, swelling and possibly abscesses. By sterilizing, shaping and filling the root area of the tooth and either sealing it with a filling or covering it with a crown, the tooth is protected from further infections and causes no more pain.
What is root canal treatment?
Root canal treatment (also called endodontics) is needed when the blood or nerve supply of the tooth (known as the pulp) is infected through decay or injury.
Why is root canal treatment needed?
If the pulp becomes infected, the infection may spread through the root canal system of the tooth.
This may eventually lead to an abscess. If root canal treatment (RCT) is not carried out, the infection will spread and the tooth may need to be taken out.
Does it hurt?
No. A local anaesthesia is used and it should feel no different to having an ordinary filling done.
What does it involve?
The aim of the treatment is to remove all infection from the root canal. The root is then cleaned and filled to prevent any further infection. Root canal treatment is a skilled and time-consuming procedure. Most courses of treatment will involve two or more visits to your dentist.
At the first appointment, the infected pulp is removed. Any abscesses, which may be present, can also be drained at this time. The root canal is then cleaned and shaped ready for the filling. A temporary filling is put in and the tooth is left to settle.
The tooth is checked at a later visit and when all the infection has cleared, the tooth is permanently filled.
What will my tooth look like after treatment?
In the past, a root filled tooth would often darken after treatment. However, with modern techniques this does not usually happen. If there is any discolouration, there are several treatments available to restore the natural appearance.
What if it happens again?
Root canal treatment is usually very successful. However, if the infection comes back the treatment can be repeated.
What if I don’t have the treatment?
The alternative is to have the tooth out. Once the pulp is destroyed, it can’t heal and it is not recommended to leave an infected tooth in the mouth. Although some people would prefer an extraction, it is usually best to keep as many natural teeth as possible.
Will the tooth be safe after treatment?
Yes. However, it is better to restore the tooth with a crown to provide extra support and strength to the tooth.
Where can this treatment be carried out?
Root canal treatment is a routine dental procedure, which your dentist will be happy to do for you.
What about aftercare?
Root-treated teeth should be treated just the same as any other tooth. Remember to clean your teeth at least once a day, preferably with a fluoride toothpaste. Cut down on sugary snacks, and keep them only to mealtimes if possible. See your dentist for regular check-ups.
What is apicoectomy?
Apicoectomy is needed when root canal treatment fails, and repeating treatment wasn’t successful, or is not advised by your dental specialist.
Why is apicoectomy needed?
After root canal treatment, sometimes infected tissue can remain in your root branches. This tissue could prevent healing or even cause another infection.
What does it involve?
The aim of this treatment is to completely remove the root tip and all of the infected tissue. This is done by making a small incision into your gum, and removing the infected tissue and the last few millimetres of the root tip. After this, a filling is placed to seal the root end.
This treatment can take between 30 to 90 minutes to complete, dependent on the location of the tooth and the root's complexity.