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  • <p>The first step of performing root canal treatment involves creating the "access cavity" (the hole through which the dentist works).</p><p>The dentist will try to keep this opening as small as possible. But it must be large enough that it doesn't hinder the work they need to perform.</p>
     

    The first step of performing root canal treatment involves creating the "access cavity" (the hole through which the dentist works).

    The dentist will try to keep this opening as small as possible. But it must be large enough that it doesn't hinder the work they need to perform.

  • <p>Creating an access cavity of any size tends to weaken a tooth because it's no longer as intact as it once was. Its structural integrity is altered.</p>
     

    Creating an access cavity of any size tends to weaken a tooth because it's no longer as intact as it once was. Its structural integrity is altered.

  • <p>Many teeth that need root canal treatment have extensive decay or have broken.</p><p>In these cases, when the access cavity is created decay and loose bits of tooth or filling must be removed too.</p>
     

    Many teeth that need root canal treatment have extensive decay or have broken.

    In these cases, when the access cavity is created decay and loose bits of tooth or filling must be removed too.

  • <p>The end result can a situation where the structural integrity of the tooth is significantly altered.</p><p>It will require reinforcement to be able to withstand even normal chewing forces.</p>
     

    The end result can a situation where the structural integrity of the tooth is significantly altered.

    It will require reinforcement to be able to withstand even normal chewing forces.