When decay or injuries ..... the blood or nerve supply of your tooth, you need a Root Canal.

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When decay or injuries ..... the blood or nerve supply of your tooth, you need a Root Canal. (*) brake (*) infect (*) sterilize (*) purify

This is a companion discussion topic for the original entry at https://english.best/questions/5852,when-decay-or-injuries-___-the-blood-or-nerve-supply-of-your-tooth-you-need-a-root-canal/