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  • <p>An "access cavity" is the hole root canal treatment is performed through.</p><p>When creating one, a dentist will drill right to the tooth's "pulp chamber" (the point where all of its root canals converge).</p><p>Notice: Because a rubber dam is in place, the dentist doesn't have to worry about contaminates (saliva, bacteria or debris) entering the opening.</p>
     

    An "access cavity" is the hole root canal treatment is performed through.

    When creating one, a dentist will drill right to the tooth's "pulp chamber" (the point where all of its root canals converge).

    Notice: Because a rubber dam is in place, the dentist doesn't have to worry about contaminates (saliva, bacteria or debris) entering the opening.

  • <p>This picture shows how the access cavity is made right through the chewing surface of a back tooth.</p><p>This one is relatively conservative (small). The tooth remains largely intact.</p>
     

    This picture shows how the access cavity is made right through the chewing surface of a back tooth.

    This one is relatively conservative (small). The tooth remains largely intact.

  • <p>This is a comparatively larger access cavity. </p><p>Besides just gaining access to the tooth's root canal, the dentist has also had to remove decay and possibly even a loose filling from one side of the tooth.</p>
     

    This is a comparatively larger access cavity.

    Besides just gaining access to the tooth's root canal, the dentist has also had to remove decay and possibly even a loose filling from one side of the tooth.

  • <p>This access cavity is even larger yet (even more decay and/or loose filling or tooth parts have needed to be removed).</p><p>The dentist may decide to stop right here and place a temporary filling before continuing their work. They'll then make a smaller, easier to manage, access cavity through that filling.</p>
     

    This access cavity is even larger yet (even more decay and/or loose filling or tooth parts have needed to be removed).

    The dentist may decide to stop right here and place a temporary filling before continuing their work. They'll then make a smaller, easier to manage, access cavity through that filling.