St John’s Dental Practice, 25 St John Street, Oxford, OX1 2LH


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Est 1940

What is a Root Canal Filling?

Root fillings or Root canal treatments are needed when a large cavity in a tooth reaches the nerve chamber, or in some cases when a tooth breaks. Root filling involves removing bacteria and damaged or dead nerves from inside the tooth and then cleaning and disinfecting the root canals, before filling to seal them.

The dentist may refer you to a specialist endodontist to undertake the root canal treatment.  

Is treatment painful?

No. We usually use local anaesthetic  throughout the procedure, and every possible step is taken to ensure that you are comfortable while the work is carried out.

How long does the treatment take?

This can vary according to the complexity of the root canals, the presence of infection, or if re-treatment is being carried out. Sometimes treatment can be carried out in one session. Although further treatment may be required if the canals are infected, or are being retreated.

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