Speaker: Lourdes M. Amador, D.D.S., M.S. Irrigation plays an important role in the debridement and disinfection of the root canal system and is an essential part of root canal preparation procedures. The use of a combination of irrigants is particularly effective in the removal of organic and inorganic debris.

SP-21: Speaker: Mario F. Leon, D.D.S. A newly designed rotary file is available (XP Endo) for which the manufacturer states that, based on the shape memory principles of NiTi alloy and its capacity to expand, the new tridimensional instrumentation system is able to treat root canals with highly complex morphologies. The instrument has more contact area with the benefit of keeping the original shape of the root canal. SP-33: Speaker: Andrei Berdichewsky, D.D.S. Finding all canals on the root canal system is a key factor for the outcome of the endodontic treatment. In this presentation, different techniques and clinical tips to help clinicians to find difficult and calcified canals while preserving dentin structure will be discussed in detail.

Speaker: Raney J. Deschenes, D.M.D., M.S., Magnification, stiff files with active tips, ultrasonic tips, irrigation systems and 3D imaging are the new technological advances which aid the clinician to more predictably locate, negotiate and clean complexities and variations of root canal anatomy, in particular, isthmuses and branching. This presentation will describe an overall approach utilizing these newer technologies to successfully treat complex anatomical cases.

Speaker: Carlos A. Spironelli Ramos, D.D.S., M.S., Ph.D., One of the main concerns in root canal treatment is determining how far working instruments should be advanced within the root canal, and at what anatomical position the preparation and obturation should be located. This is essential because preparation determines the efficacy of all subsequent procedures and includes mechanical debridement, creation of space for medicament delivery, and optimized canal geometries for adequate obturation.

Speaker: Bettina Basrani, D.D.S., M.S.D., Ph.D. Technological advances during the last decade have brought new agitation devices for disinfection of the root canal system. Effective irrigant delivery and agitation are prerequisites for successful endodontic treatment. This lecture will present an overview of irrigants, irrigant agitation methods, their debridement efficacy and possible complications of their use.

Speaker: Ove A. Peters, D.MD, M.S., Ph.D., Root canal preparation currently includes both mechanical enlargement and the application of chemicals to debride root canal systems, and this strategy has resulted in high clinical success rates. This session will attempt to define and discuss the potential in developing new strategies for cleaning and shaping and perhaps beyond.

Authors: Alison Luıs Kirchhoff, D.D.S., M.Sc., Rene Chu, D.D.S., M.Sc., Isabel Mello, D.D.S., M.Sc., Ph.D., Andres Dario Plazas Garzon, D.D.S., Marcelo dos Santos, D.D.S., M.Sc., Ph.D., Rodrigo Sanches Cunha, D.D.S., M.Sc., Ph.D. Securing a reproducible glide path before instrumentation is recommended to maintain the original geometry of the root canal system and to prevent file separation. The aim of this study was to compare apical transportation, canal volume increase, and working time during glide path management with ProGlider (PG; Dentsply Tulsa Dental Specialties, Tulsa, OK) and PathFiles (PF, Dentsply Tulsa Dental Specialties).