Retreatment efficacy of hand versus automated instrumentation in oval-shaped root canals: an ex vivo study.

@article{Zmener2006RetreatmentEO,
  title={Retreatment efficacy of hand versus automated instrumentation in oval-shaped root canals: an ex vivo study.},
  author={Osvaldo Zmener and Cornelis Hans Pameijer and Gladys Banegas},
  journal={International endodontic journal},
  year={2006},
  volume={39 7},
  pages={521-6}
}
AIM To compare the efficacy of hand versus automated instrumentation when retreating oval-shaped root canals. METHODOLOGY Sixty human premolars with single oval canals were instrumented and filled with gutta-percha and sealer and divided into three groups (n = 20)--group 1: ProFile .04 taper rotary instruments; group 2: Anatomic Endodontic Technology (AET), and group 3: manual instrumentation with Hedström files. The teeth were split longitudinally and gutta-percha/sealer remnants in the… CONTINUE READING
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