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Steps of using NI-TI rotary files

1

denco ni-ti rotary files

The post for using the rotary files described in this article is based on the denco SUPER FILES III/D-SUPER FILES.

Open pulp – medullary cavity trimming

Probe the root canal

  • Probe root canal by #08 or #10 K file
  • The depth of exploration is 4mm from the apical of the X-ray or the depth can be reached.

Root canal dredge

  • Choose the Apical file:Generally use K files with size #10 or #15.
  • Purpose :Prevent the NITI Rotary files deviate from the root canal.
  • The most important thing is shaping.And dredge by rotary dredging.

Root canal shaping

  • Prepare root canal with S1
  • The depth should not be deeper than the arrival position of the 10# K file (to ensure that the shapping file tip will not be blocked)
  • If necessary, use SX to enlarge the root canal and establish a straight access path for the instrument (SX depth should not exceed S1)
  • Measuring working length by stainless steel file 15#

Root canal shaping/Finishing

  • Prepare to work length with S1
  • After S1 reaches the working length, use S2 preparation.
  • Using F1 preparation to working length after S2 arrived working
  • Immediately drop out the file when Finishing file arrive working length
  • Using in both a pecking and brushing motion

Root canal Finishing

  • Prepare to working length by F2
  • Immediately drop out the file when Finishing file arrived working length.
  • Probe the apical by stainless steel file. Using F2 continue prepare if apical diameter bigger than 20#.
  • Immediately drop out the file as long as Finishing file arrived working length.
  • Don’t brush the root canal wall by Finishing files

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