Shaping of simulated root canals in resin blocks using the step-back technique with K-files manipulated in a simple in/out filling motion.

@article{Alodeh1989ShapingOS,
  title={Shaping of simulated root canals in resin blocks using the step-back technique with K-files manipulated in a simple in/out filling motion.},
  author={M H Alodeh and R Doller and Paul Michael Howell Dummer},
  journal={International endodontic journal},
  year={1989},
  volume={22 3},
  pages={107-17}
}
A total of 60 simulated root canals in clear resin blocks of various lengths and degree of curvature were prepared by hand with K-files using a step-back enlargement technique. The instruments were manipulated exclusively with a simple in/out filing or rasping motion with no attempt at rotation or twisting. The preparation technique was assessed by instrumentation time, deformation and fracture of instruments, and loss of working distance. The shape of the prepared canals was assessed by direct… CONTINUE READING

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