How to Simply Remove GP for Endodontic Retreatment

Endodontic retreatment, remove GP

How are you going to remove the GP from this tooth?

Below is a video of a demonstration I gave at the Jiao Tong University Dental School in Shanghai. I was demonstrating a method for removal of GP from treated canals. The method that I describe is only one of many methods, but I think it is a good way to begin re-treating. Please watch the video and share your thoughts:

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6 Responses to “How to Simply Remove GP for Endodontic Retreatment”

  1. DR PATRICK C AMPOFO February 17, 2013 at 8:58 pm #

    Very educative practical knowledge. Thank you.
    But my concern is the use of chloroform. I thought the
    literature talks about its adverse effect and advises against
    using it. Where do I get the endo-solvent please.?
    If you have access to the protaper re-treatment files, do you still have to use any GP disolving solvent.?
    Thank you

  2. Dr. Birendra Ahlawat July 16, 2013 at 3:04 pm #

    very illuminating, can’t wait to apply it. What really strikes out is the level of clarity and simplicity in your approach thank you for putting it up.

  3. Anthony G Garcia, DDS August 5, 2013 at 11:09 am #

    Nice video! What if you have 2mm of GP beyond apex? Will the re-treatment files pull this in or are you locked into doing apico?


  4. Pat Caldwell August 7, 2013 at 8:37 am #

    Hi Anthony,

    You have to be lucky to pull back GP that is past the apex, but you can do it on occasion. You will normally need to gently screw a hedstrom into the apical GP and then attempt to pull the whole apical GP mass out in one go. It helps if the GP isn’t very well compacted.

    Good Luck.


  5. niharika October 28, 2014 at 3:52 pm #

    hi sir…
    very nice and informative video…i frequently use D1-D3 Files by dentsply mallifer…can u please comment on these files for gp retrieval..

  6. Zohreh Hashemi February 3, 2015 at 9:43 am #

    Beautifully done, Will apply it today!
    Thankk you

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