Laburnum Dental Practice

Root Fillings

What is root canal treatment?

The pulp (nerves and blood vessels) of a tooth may die from decay, trauma or occasionally deep fillings/ restorations. When the pulp of a tooth dies, the middle of the tooth becomes decaying tissue. If heat is applied to this tooth, this decaying pulp will expand, causing a pressure build-up that leads to the throbbing toothache characterising the initial phase of an "abscess".

Before dentists could root fill teeth, the only option for an abscess was to extract the offending tooth. Now we root fill many teeth in dental practice to relieve pain and avoid tooth loss.


Why is root canal treatment needed?

If the pulp becomes infected, the infection may spread through the root canal system of the tooth, which 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 anaesthectic is used and the whole procedure should feel no different to that of 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.

A hole is drilled into the tooth in order to clean out the pulp. A sedative temporary dressing may be placed to relieve the symptoms and the tooth filled at a second appointment or the tooth can be root filled in one visit.

A root filling involves cleaning the whole pulp out of the tooth with tiny files and filling it right down to the exact end of the root. Radiographs (x-ray pictures) must be taken during the root canal therapy to ensure this. Unfortunately, no roots are completely straight and the back teeth all have multiple roots, so this treatment is relatively complex. The root systems must be thoroughly cleaned, ideally with a bleach to kill any bacteria within the root structure. Because of this, and the fine instruments used, it is ideal to isolate the teeth with a sheet of rubber (rubber dam) so that nothing dangerous will fall into the mouth and also to prevent any infected saliva reinfecting the open tooth.
Once root filled, the tooth should be able to be used as before.


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 any discolouration should take place, there are several treatments available to restore the natural appearance.

What if it happens again?

Root canal treatment is usually very successful, however if there should be a recurrence of infection, the treatment can be repeated

Is it expensive?

Root canal treatment is available on the National Health Service, however, due to the length of time required and the skill needed, many dentists prefer to carry out this treatment on a private basis. Your dentist will be pleased to give you an estimate.

What if I don't have the treatment?

The alternative to RCT is the removal of the tooth. Once the pulp is destroyed, it can't heal and it is not recommended to leave an infected tooth in the mouth.

Whilst some people would prefer an extraction, it is usually advisable to keep as many natural teeth as possible.

Will the tooth be safe after treatment?

Yes. However it is advisable 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 provide.

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. Keep sugary snacks to a minimum, and only to mealtimes if possible. Attend your dentist for regular check-ups.

1.Infected tooth and abscess.










2.Tooth cleaned and shaped.











3.Root filling placed.











4.Permanent filling or crown placed, showing healing of abcess at the apex of the root.