root canal

1. 1.

   the passage in the root of a tooth through which its nerve and blood vessels enter the pulp cavity

   Broaderpassage

   Part ofpulp cavity

Questions about root canal

What does root canal mean?

root canal means "the passage in the root of a tooth through which its nerve and blood vessels enter the pulp cavity".

Is root canal a common word?

root canal is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.