Dictionary

root canal

noun

: a dental procedure to save a tooth by removing the diseased or injured tissue in its root

Full Definition of ROOT CANAL

:  the part of the pulp cavity lying in the root of a tooth; also :  a dental operation to save a tooth by removing the contents of its root canal and filling the cavity with a protective substance

Examples of ROOT CANAL

  1. I need to have a root canal.

First Known Use of ROOT CANAL

1893

root canal

noun    (Medical Dictionary)

Medical Definition of ROOT CANAL

1
:  the part of the pulp cavity lying in the root of a tooth—called also pulp canal
2
:  a dental operation to save a tooth by removing the contents of its root canal and filling the cavity with a protective substance (as gutta-percha)

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