SIE INTERNATIONAL CONGRESS 2016, Rome, 10-12 November 2016
Gilberto Debelian

Gilberto Debelian

Dr. Gilberto Debelian, DMD, PhD
Oslo, Norway

Dr. Gilberto Debelian has received his DMD degree from the University of Sao Paulo, Brasil in 1987. He has completed his specialization in Endodontics from the University of Pennsylvania, School of Dental Medicine, USA in 1991 and received the Louis I. Grossman Postdoctoral Student Award in Endodontics. He has taught as a clinical instructor and associate professor at the post-doctoral endodontic program at the Department of Endodontics, University of Oslo, Norway from 1991 to 2001, and from 2006 to 2010. He has concluded his PhD studies at the University of Oslo, Norway in 1997 on endodontic microbiology, which gave him two scientific awards from the Europen Society of Endodontology (ESE) and from the Norwegian Dental Association both in 1997. His is an adjunct visiting professor at the post-graduate program in endodontics, University of North Carolina in Chapel Hill, and University of Pennsylvania in Philadelphia, USA. Dr. Debelian maintains a private practice limited to Endodontics as well as an advance endodontic microscopy center – EndoInn – in Bekkestua, Norway.

Dr. Debelian has authored 3 chapter books in Endodontics, one book in Endodontics and written more than 50 scientific and clinical papers. He is currently member of the scientific advisory panel for the Journal of Endodontics, International Endodontic Journal, Endodontic Practice Today and director of the Oslo Endodontic Study Club as well as the past vice-president of the Norwegian Endodontic Society. Dr. Debelian has lectured nationally and internationally on different biological and clinical topics in endodontics. Dr. Debelian is also involved on hands-on courses on different topics including on NiTi instrument technologies and operative dental microscopy both on conventional, retreatment and surgical endodontics.

The expandable NiTi technology and its application on Endodontics 3D instrumentation

Saturday, 12 Nov

10.20 am

The root canal system is highly complex making cleaning during root canal treatment challenging. Micro-CT studies demonstrate that by the end of the instrumentation phase, round files touch only 45-55% of the walls of the canals. Many adjunct techniques have been tried to compensate for these shortcomings including; high concentration of NaOCl, EDTA, ultrasonication or by lasers technologies.

The XP-endo files are designed and produced (MaxiWire) using the principles of memory shape of NiTi alloys depending the temperature that they are exposed to. XP-endo files will resemble a traditional straight file at room temperature (Martensitic phase) but will start to transform to a specific shape at body temperature inside the root canal (Austenitic phase). These files have a diameter with a 0 (zero) taper so as to maintain maximal flexibility. At maximum austenitic phase (35oC) the file has a semi-circular shape with a 3mm diameter to enable it to transform into any canal shape and reach irregularities, fins and resorption areas. XP-endo file lines are divided in 3 groups: XPe shaper – one file for the main instrumentation), XPe finisher – used after root canal instrumentation with the aim of removing vital and/or necrotic tissues in oval/isthmus areas, dentinal debris accumulated during instrumentation with conventional NiTi rotary/reciprocating files and smear layer and XPe retreatment – to remove efficiently obturation materials from the root canal walls. Preliminary studies on XPe files have shown remarkable removal of soft tissues, less dentinal chips on isthmus and canal walls after instrumentation, low dentinal stress (less micro cracks) and conservative instrumentation with low amount of dentine removed coronally with efficient cleanness on the apical third area.

At conclusion, participants should be able to:

  1. Understand the technological challenges and possibilities in endodontic instruments to predictably remove intra canal infection.
  2. Present the physical and clinical characteristics of the new XPe files.
  3. Demonstrate the clinical use of XPe file lines.
  4. Present preliminary micro CT studies showing its effect of removing soft and hard tissues left behind or produced during the instrumentation.

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