When the decay goes undetected, it deepens and penetrates in to the pulp space of the tooth leading to pain. At this juncture, root canal treatment is done. It is a pulpectomy, removal of the pulp tissue, is advisable to prevent such infection. Usually, some inflammation and/or infection are already present within or below the tooth. To cure the infection and save the tooth, the dentist performs a procedure which is known as root canal therapy. With the removal of nerves and blood supply from the tooth, it is best that the tooth be fitted with a crown which increases the prognosis of the tooth by six times. After the root canal therapy it is followed by reinforcing the tooth with a crown.
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