Root
canal therapy (RCT) is a technique used when the internal
part of the tooth, the pulp, has been irreversibly damaged.
The usual cause of this is bacterial invasion of the
pulp due to decay or trauma. When this occurs the pulp
which is the blood and nerve supply, becomes infected
and the long-term health of the tooth is compromised.
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RCT
is the systematic cleaning and filling of this pulp
space enabling the tooth to be saved and remain useful
in the mouth.Once
RCT is completed the tooth is restored, often with a
tooth coloured composite resin but may require a crown
due to weakness of the remaining tooth structure.
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