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Endodontics (Root Canal Treatment)

What is Root Canal Treatment?

The aim of Root Canal Treatment (also known as Endodontic treatment) is to save a tooth that has been badly damaged due to decay, disease or injury. This is achieved by cleaning out any debris and infected tissue inside the tooth and then sealing it.

You may need Root Canal Treatment if you are suffering from toothache, painful tooth, sensitivity to hot or cold, or pain in the gum surrounding a particular tooth. These symptoms may also indicate that other treatments are needed, however. This means that you should always see your dentist for an examination as soon as any of these symptoms are noticed.

Many millions of teeth each year are saved from extraction by having Root Canal Treatment. Most people prefer to save their natural tooth because generally it will function better than an artificial tooth. A natural tooth is usually stronger and more efficient for biting and chewing.

Root Canal Treatments will not be performed unless it is likely that the tooth in question can be restored to full health. Teeth that have been nurtured to full health with Root Canal Treatment are then restored with a Crown or Filling. In some cases Root Canal Treatment may not be appropriate and extraction may be the best option. 

X-Rays of a Tooth before and after Root Canal Treatment

General dentists are trained to perform Root Canal Treatment, but it is often best to seek out a dentist with a Special interest in Endodontics or Specialist Endodontist and who has done postgraduate training in the subject. 92 Dental’s Root Canal Treatments are handled by Dr Keshari Leelasena, Specialist Endodontist and Dr Boryana Nikolova, Dentist with Special Interest in Endodontics. They both completed their postgraduate training at the prestigious UCL Eastman in London. Their excellence in Endodontics means that they are frequently referred complex cases from all over London.

To book an initial consultation with Dr Leelasena or Dr Nikolova, please click here or call our receptionist Jenny on 020 8748 1381.

When do you need Root Canal Treatment?

Root Canal Treatment is often the best course of treatment if a tooth is severely damaged by trauma, gum disease, or a deep cavity.

The tooth may become painful, sensitive to heat or cold, darkened or the gum surrounding it may become swollen and sore. These are all signs of infection that needs treatment to prevent it spreading to other areas of the mouth and face.

Symptoms such as pain and sensitivity may seem minor at first, but infections from decay can cause serious harm to your health if left untreated. Therefore we urge you to see your dentist as soon as any of these symptoms are noticed.

As the above symptoms may also indicate other dental problems, a consultation will be needed before a Root Canal Treatment is performed. To book a consultation for possible Root Canal Treatment please click here or call us on 020 8748 1381.

What happens when you have Root Canal Treatment at 92 Dental?


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Root Canal Treatment comprises of a consultation and few subsequent dental visits. The first two of these need to happen at least 7 days apart and involves the cleaning out of the inside of the tooth and subsequently sealing the tooth. The third and fourth sees the healed tooth fully restored with a Crown or Filling.

During the initial consultation, the dentist will examine the tooth and test the tooth’s sensitivity in order to clarify the exact nature of the patient’s dental problem. X-rays will also be taken to ascertain whether Root Canal Treatment will allow the complete restoration of the tooth.

During the first two procedures, local anaesthetic will be given to block any pain that may occur. Root Canal Treatment is generally a pain free procedure, and the local anaesthetic will ensure that this is the case. A thin sheet of latex called a rubber dam is used to isolate the tooth and keep it clean and dry during treatment. 

To reach the pulp (nerve space) of the tooth the dentist will make a small opening in the tooth. The dentist will then use specialised instruments to remove the infected tissue and disinfect the root canal space. Medication is put inside the root canals to manage any remaining bacteria, and the access cavity in the tooth is sealed.

The second visit involves another round of the disinfection protocol and then sealing the root canal system with a root filling. We wait to see that all the symptoms have resolved before we complete the treatment.

Although Root Canal Treatments have a reputation for being unpleasant for the patient, the procedure is actually painless. These first two visits of a Root Canal Treatment usually take an hour and a half each.

Finally, the tooth will be fully restored with a Crown or Filling. This will prevent the tooth from breaking down and will protect it from reinfection. The root canal treatment will be reviewed in one year with radiograph.

How much does Root Canal Treatment cost at 92 Dental?

Root Canal Treatment is usually recommended after initial consultation, which could cost between £45- £80.

The cost of Root Canal Treatment depends on the complexity of the case and ranges between £660 and £950, excluding any additional procedures that might be required. The price of your individual treatment will be made clear during your initial consultation.


For a comprehensive price list, please click here.

If you think you may need Root Canal Treatment, please click here to book an appointment, or call our receptionist Jenny on 020 8748 1381.