Research Article| Volume 27, ISSUE 4, P543-547, April 1969

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The effect of filing versus reaming on the shape of the prepared root canal

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      • 1.
        1. A study utilizing thirty-three extracted mandibular central and lateral incisor teeth was conducted to determine whether a reaming or a filing action produced differences in the shape of the prepared root canal.
      • 2.
        2. Neither a reamer nor a file, when used with a reaming action, produced any significant deviation from circular canal preparation.
      • 3.
        3. A file, when used with a filing action, did produce significant deviation from a circular preparation.
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