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  • <p>The green-handle tool you see here is called a "barbed" broach.</p><p>And true to its name, its working end has a number of minute spikes sticking off its sides, not unlike a strand of barbed-wire.</p>
     

    The green-handle tool you see here is called a "barbed" broach.

    And true to its name, its working end has a number of minute spikes sticking off its sides, not unlike a strand of barbed-wire.

  • <p>A dentist will insert a broach into a tooth's root canal, so its barbs snag the canal's pulp tissue.</p><p>Then, when it's pulled out, much of this tissue will come with it (like you see in this picture).</p>
     

    A dentist will insert a broach into a tooth's root canal, so its barbs snag the canal's pulp tissue.

    Then, when it's pulled out, much of this tissue will come with it (like you see in this picture).

  • <p>So, what you are looking at here is literally the nerve pulled right out of a tooth.</p><p>By the way, since the patient was numbed up, they didn't feel a thing.</p>
     

    So, what you are looking at here is literally the nerve pulled right out of a tooth.

    By the way, since the patient was numbed up, they didn't feel a thing.