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Retreatment using XP-3D Adaptive Instrumentation

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Dr. Trope will review the limitations of retreating endo cases with conventional round files and will introduce a new protocol for retreating cases with the adaptive XP-3D Shaper and Finisher instruments.


  • Recognize the limitations of using conventional round files for endo retreatment.
  • Realize the benefits of utilizing adaptive instrumentation that reaches areas of the canal that are not able to be reached by round SS and NiTi files.
  • Identify the proper technique for reatreating cases with the XP-3D Shaper and XP-3D Finisher instruments.
martin trope

Dr. Martin Trope was born in Johannesburg, South Africa where he received his BDS degree in dentistry in 1976. From 1976 to 1980 he practiced General Dentistry and Endodontics. In 1980 he moved to Philadelphia to specialize in Endodontics at the University of Pennsylvania. After graduating as an Endodontist he continued at the University of Pennsylvania as a faculty member until 1989 when he became Chair of Endodontology at Temple University, School of Dentistry. In 1993 he accepted the JB Freedland Professorship in the Department of Endodontics at the University of North Carolina at Chapel Hill, School of Dentistry.  Named in honor of one of the founding fathers of Endodontics, the Freedland Professorship recognizes significant contributions to the specialty. In 2014, he was awarded the Jens Ove Andreasen Lifetime Achievement Award by the International Association of Dental Traumatology.

Dr. Trope is Clinical Professor, Department of Endodontics, School of Dental Medicine, University of Pennsylvania. He is also in private practice in Philadelphia, Pennsylvania.

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