root canal

noun

Dentistry.

root canal

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

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First recorded in 1890–95

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Examples have not been reviewed.

Unlike a typical root canal, the dental experts went in through the bottom of Rico's tooth.

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For others, it’s as nerve-racking as a root canal.

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At the time Johnson may have preferred a root canal to a soccer game, but he went along anyway.

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The tiger’s death happened about five months after he underwent a root canal surgery at the zoo.

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She was in pain for months but couldn’t afford the full cost of a root canal.

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