root canal(redirected from Root canal fillings)
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1. A pulp-filled channel in a root of a tooth.
2. A treatment in which diseased tissue from this part of the tooth is removed and the resulting cavity is filled with an inert material.
(Dentistry) the passage in the root of a tooth through which its nerves and blood vessels enter the pulp cavity
1. the root portion of the pulp cavity of a tooth.
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|Noun||1.||root canal - the passage in the root of a tooth through which its nerve and blood vessels enter the pulp cavity|
passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages"
pulp cavity - the central cavity of a tooth containing the pulp (including the root canal)