• Inside the tooth, under the white enamel and a hard layer called the dentin, is a soft tissue called the pulp.  The pulp contains blood vessels, nerves and connective tissue, and helps to grow the root of your tooth during development.  In a fully developed tooth, the tooth can survive without the pulp because the tooth continues to be nourished by the tissues surrounding it.

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• In short, RCT removes infeced pulp tissue and bacteria inside a tooth's pulp canals.  It is performed by a general dentist or an endodontist.